1994 chevy truck runs rough when cold

The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable.When your truck engine is cranking but won’t run or start, then it could mean your truck engine is facing trouble producing a strong spark, or getting fuel, or creating compression. The most common causes for this problem are ignition problems like a bad ignition coil or fuel system problems like clogged fuel filters. 3. I have a 99 silverado, 5.3 liter 4x4 137k miles. Runs great when engine is cold. After about 10-15 minutes of driving when engine warms up, engine bogs down, idles rough, and dies when throttle is applied. I ran the codes, had low voltage x4 oxygen sensors, and random misfires. I replaced the 02 sensors because I am well over 100k miles.1995 chevy silverado wont idle and stalls when stopping. i have a 1995 silverado 5.7liter 350 engine, i replaced the motor,the other motor had 225,000plus miles. after replacing the motor it will not idle,and stalls out when stopping, also noticed that the motor surges, when applying the throttle it will rev up,but it will try to die off unless ...A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.1994-2004 Chevy S10 common problems include intermittent starting, an S10 that won't start after sitting, an S10 that turns over but won't start, and other issues like fuel pump problems. Find out their symptoms, causes and fixes as we explore the top problems on the 2nd generation of Chevy S10 trucks , also known as the Chevy S-10 or Chevy ...2. Inspect all Fuel injectors-- Dirty or Worn Fuel Injectors can cause rough idles as well. inspect accordingly. 3. Inspect the Idle Air Control Valve-- Damaged, Loose, or Faulty Idle Air Control Valves will cause rough idle. 4. Inspect the idle speed actuator-- It could be loose or faulty. 5.1994 Toyota Previa. This problem started suddenly. Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. Worse problem is bad hesitation when accelerating after throttle at idle position, sometimes stalling. Worst after stationary idle, but also after moving at low to medium ...Apr 19, 2010 · Mayor: An expert whose answer got voted for 2 times. Contributor. 12 Answers. Re: Rough idle 1994 chevy pick up k1500 4x4. I had a 96 GMC 1500 with a 5.7 ltr. It would idle rough, especially on start up. After replacing everything under the sun, it turned out the ECM (computer) was shot. I found a used one and plugged it in and it ran fine. Tracking down specific classic GMC truck parts for sale can be as simple as entering your information into the Add My Vehicle tool. If you own a 1955 Cameo Carrier, a 1973 Square Body, a 1994 S-10 or dozens of other famous models, Eckler's has parts for it in-stock. If you want to shop by generation, such as tracking down 88-98 Chevy truck ... 2,816 Posts. Discussion Starter · #1 · Jun 18, 2003. Only show this user. Alright, I have a 99' S-10 with the 2.2L and a 5 speed. It's got 118,000 miles on it and until now, has ran beautifuly. Heres the thing....the enigne will run smooth at idle then all of a sudden, it will stumble. It happens more extensively when the engine is warm.FEY Perfect Match Bumpers Includes direct fit mounting brackets. $432.00 to $1,012.00. View Details. Chevrolet truck. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. 1. Check to make sure your check engine light is not on, or that it is on with the key on butSway bars are actually torsion springs, and can indeed have an effect on your Chevrolet C- and K-Series Truck suspension's spring rate during cornering and on rough roads. Adding aftermarket Chevrolet C- and K-Series Truck sway bars, also popularly known as "anti-roll bars," is a great way to improve the overall handling of your ride. These ... Hi I have a 1994 k1500 350 tbi and have been chasing a problem with intermittent rough idle and low idle in gear runs fine when reved and going down the road and I can also hear a quiet muffled backfire through the exhaust at idle that is also intermittent. Help would be greatly appreciated Answered in 2 minutes by:1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.Specifically, the lawsuit claimed the active fuel management (AFM) system ...1994 Infiniti Q45a 240000 Miles. ... that this only happens when it's cold, most MAF concerns are seen while cold, under load, or in conjunction with a rough idle conditions. ... My Nissan pathfinder starts and runs great when it's cold but after it gets to normal running temperature and you drive it then it starts skipping really bad and ...Engine stalling is more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine stalling problem, often means the engine is not getting enough, fuel and/or too much air. Engine stalling problems, can be caused by almost anything, but are usually sensor related.What complicates a rough idle/misfire condition is having the PCM not register any specific misfire codes. In my neighbor's Blazer, the PCM wasn't even registering a P0300, but it was obviously running very rough (at idle that is). Since it was obviously missing, I needed to find the misfiring cylinder.About 2 1/2 years ago my truck was running bad, had new plugs, wires and distributor replaced. ... I've got a 1994 chevy silverado with the 5.7 v8. ... Hi my name is Anthony I have a1992 chevy k1500 my truck started acting rough so I went to the shop and got the temp sensor replaced and a new fuel regulator I just replaced the fuel filter ...Chevy S10 Rough Idle Causes. Hopefully, the check engine light is on. It can tell you a lot about what is going on with your S10. You can either go to the local parts store and ask them to scan the vehicle for you, or you can do this yourself.1994 GMC Jimmy engine runs rough when cold; smooths out when warm. 4.3 LTR VORTEC V6 engine runs rough when cold; smooths out when warm but then service engine light comes on and car will run for about another 10 minutes and will start stalling. When your car engine runs as it should, everything should be smooth without any noise. When something thing goes wrong, the engine can start running rough, especially while idling. By understanding the causes of a car engine that has a rough idle, you can resolve the issue easily. Here are ten of the most common causes for a rough engine idle.My truck was still not running well yesterday either. This morning I pulled the dist cap, sanded down the contacts/ rotor, aired it out a bit with some comp air, re-set the ECU, and now it runs fine. I should probably change the spark plug wires as they look original, but the Lexus dealer wants $200. slow91fj90.My 2002 Suburban idles very rough/erratic when the temperature outisde is cold (i.e. 32 degrees or below). I can hold the idle up, 1500 rpm, via the peddle and it will be fine. But when I let off, it will almost die and then idle varies between 700 to almost stalling. Once the engine is warmed up, it will idle fine.Here is a very sharp custom built 1994 Chevy truck. This truck has a 1994 2500 Cab with 1997 model dash and grill and 1994 model bed. and rest of body like all 4 fenders and hood. The door are the doors that came on the 1994 Cab. It has 1997 running gear with the Vortec 350 engine that runs great and the 700R4 transmission that shifts great.1994 GMC Jimmy engine runs rough when cold; smooths out when warm. 4.3 LTR VORTEC V6 engine runs rough when cold; smooths out when warm but then service engine light comes on and car will run for about another 10 minutes and will start stalling. E85 is a blend of ethanol (85%) and gasoline (15%) Ethanol cools your engine more so than full gasoline would. Testing/keeping the correct mixture in your fuel tank isn’t difficult. E85 reduces the risk of detonation because of its cooling properties. This cooling aspect makes running superchargers or turbochargers safer. Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. Nov 22, 2010 · I got a 1994 Chevy Blazer Silverado K 1500 Suburban is a 5.7 v8 my check engine light doesn't come on even after replacing the computer program to my VIN and marrying the key to it through the steps from the dealer. If I had gas directly to the throttle body in a run but not on its own. So the past couple months I've noticed my truck has a really rough idle in the mornings when it is cold out, to the point where it has even died before. I just replaced the plugs about 3 months back and it ran fine after, people have told me things like it is the o2 sensors to the cat is plugged up to my fuel filter is bad.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Dec 22, 2017 · On cold start the timing is advanced so much that you cannot see the timing mark on the balancer and it is firing radically (based on the light) at #1 wire. As the engine starts to warm (30 to 45 seconds) the timing comes back to what I would say is normal at cold running condition and the engine smoothes out and idles perfect. Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. In this video I show you how I diagnosed a poor running 2001 GMC Yukon when the engine is cold. This is a very common problem on all GM V8's. The lower intak...My 2002 Suburban idles very rough/erratic when the temperature outisde is cold (i.e. 32 degrees or below). I can hold the idle up, 1500 rpm, via the peddle and it will be fine. But when I let off, it will almost die and then idle varies between 700 to almost stalling. Once the engine is warmed up, it will idle fine.My truck was still not running well yesterday either. This morning I pulled the dist cap, sanded down the contacts/ rotor, aired it out a bit with some comp air, re-set the ECU, and now it runs fine. I should probably change the spark plug wires as they look original, but the Lexus dealer wants $200. slow91fj90.Jun 20, 2012. #1. OK guys, I am out of ideas here on this truck. It is a 91 chevy truck with the 350 (5.7) with TBI. The truck has 190K miles on it and runs fine other than a misfire. It does it sometimes at idle when cold and does it just going down the road at 40-45mph when it gets into overdrive and is running in the 1500RPM range.2014-2019 Chevy Silverado K&N 63 Series AirCharger Air Intake 63-3082. 2014-2019 Chevy Silverado K&N 77-Series High Performance Air Intake System 77-3082KP. 2006-2007 Chevy Silverado Banks Ram-Air Intake 42142. 2014-2021 Chevy Silverado Airaid PowerAid Throttle Body Spacer 200-543. it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.This will make for rough restarts. The way to find out is to put a fuel pressure gauge on it, get the truck up to temp and then shut it down and see how long it holds fuel pressure. It should hold it very well for a long time. If it falls off quickly then it is the fuel pump. For priming the fuel pump, btw, turning the key to run and pausing a ...Friends 1994 Chevy ext 1500 350 TBI auto approx. 18,000 on rebiuld. Starts and idles good. After up to operating temp while in gear and apply a load it begins to run rough. Says if he stomps on it from a stop sign it seems to go through the bad area but easing into it it is rough.Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.What I have done since having the truck: 1) Removed all ******* stickers and made it look neater 2) Oil change 3) Air filter change 4) New battery and battery cables 5) Bolted down the tool box in the bed 6) Topped off the air pressure in the tires As you can see I dont treat this truck like crap. Can you guys help me out?Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.The engine runs lean or rich. Engine drags or hesitates when idle or under load. Engines RPMs fluctuate; Poor MPG; How to Replace Chevy MAF Sensor. Changing the mass airflow sensor on a Chevrolet is very easy and takes less than 30 minutes. MAF sensor is located near the air filter housing, as shown in the following picture. What you will need Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.Hi I have a 1994 k1500 350 tbi and have been chasing a problem with intermittent rough idle and low idle in gear runs fine when reved and going down the road and I can also hear a quiet muffled backfire through the exhaust at idle that is also intermittent. Help would be greatly appreciated Answered in 2 minutes by:Truck wouldn't stay running when leaving work today. It starts then dies after a couple of seconds. Had it towed to a friends where we pulled out the Chilton book and began troubleshooting. First thing we replaced was the fuel filter. It was 9 years old and when we blew into it there was a lot of...Hi I have a 1994 k1500 350 tbi and have been chasing a problem with intermittent rough idle and low idle in gear runs fine when reved and going down the road and I can also hear a quiet muffled backfire through the exhaust at idle that is also intermittent. Help would be greatly appreciated Answered in 2 minutes by:El Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. Truck has 162K miles. The main problem is that the truck will start hard after sitting for 2+ hours and after it does fire it runs very rough and blows alot of white smoke for about 5 or so seconds(60 deg weather), after that the truck doesn't skip a beat and runs perfectly. The truck has always kinda started hard but one morning it got a lot ...A leak will cause a "lean mixture" condition, when the flammable fuel (carburetor cleaner or propane) comes in contact with the source of the vacuum leak the engine idle speed will raise as the engine has received "fuel". this method of finding a vacuum leak works but is not recommended as it can easily cause a fire. Sign in to reply99 Chev C3500 6.5L NV4500 14 bolt 2wd 4.10 130K White Ext, Gray Int. RC159.5" WB DRW Chassis Cab with utility box Runs Great, building up. 96 GMC C2500HD 6.5L NV4500 14 bolt 2wd 3.73 240K White Ext, Blue Int. ECLB 155.5"WB SRW Pickup runs bad, getting motor right now.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.Chevrolet truck. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. 1. Check to make sure your check engine light is not on, or that it is on with the key on butWhen your truck engine is cranking but won’t run or start, then it could mean your truck engine is facing trouble producing a strong spark, or getting fuel, or creating compression. The most common causes for this problem are ignition problems like a bad ignition coil or fuel system problems like clogged fuel filters. 3. My truck was still not running well yesterday either. This morning I pulled the dist cap, sanded down the contacts/ rotor, aired it out a bit with some comp air, re-set the ECU, and now it runs fine. I should probably change the spark plug wires as they look original, but the Lexus dealer wants $200. slow91fj90.SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. Nov 22, 2010 · I got a 1994 Chevy Blazer Silverado K 1500 Suburban is a 5.7 v8 my check engine light doesn't come on even after replacing the computer program to my VIN and marrying the key to it through the steps from the dealer. If I had gas directly to the throttle body in a run but not on its own. 1994 S-10 4x4 pickup, 4.3L, VIN W. 215,000 on the truck, 40 or so on a GM crate engine. A week or 2 ago the truck started missing and surging anywhere but idle or wot. Starts fine, even today when it was -15, fuel pressure 52 running, holds after shut down, newer plugs/wires/cap rotor, tested MAP sensor and tests good, tested resistance changes ...My truck was still not running well yesterday either. This morning I pulled the dist cap, sanded down the contacts/ rotor, aired it out a bit with some comp air, re-set the ECU, and now it runs fine. I should probably change the spark plug wires as they look original, but the Lexus dealer wants $200. slow91fj90.What complicates a rough idle/misfire condition is having the PCM not register any specific misfire codes. In my neighbor's Blazer, the PCM wasn't even registering a P0300, but it was obviously running very rough (at idle that is). Since it was obviously missing, I needed to find the misfiring cylinder.An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.Classic Cars for Sale. 1948 Cadillac $21,995. Series 62. CLEAN VINTAGE CADILLAC SURVIVOR W/ REPAINT! BELIEVED ORIG 346 V8, AUTO, NICE! Stock # 5166-DFW. 1948 Cadillac $29,995. Series 62. BEAUTIFUL CADDY SERIES 62, 346 L HEAD V8, 4-SPEED AUTO TRANS, CLASSIC LUXURY!! Rough Idle and spark knock, have done the following, Timing chain and gears, re-timed, cap, rotor, plugs, wires, EGR valve, EGR valve solenoid, fuel filter. It started when I was slowing down from the interstate, noticed spark knock, and a rough idle thought maybe bad gas, put in 104 octane, no difference.What complicates a rough idle/misfire condition is having the PCM not register any specific misfire codes. In my neighbor's Blazer, the PCM wasn't even registering a P0300, but it was obviously running very rough (at idle that is). Since it was obviously missing, I needed to find the misfiring cylinder.The engine runs lean or rich. Engine drags or hesitates when idle or under load. Engines RPMs fluctuate; Poor MPG; How to Replace Chevy MAF Sensor. Changing the mass airflow sensor on a Chevrolet is very easy and takes less than 30 minutes. MAF sensor is located near the air filter housing, as shown in the following picture. What you will need About 2 1/2 years ago my truck was running bad, had new plugs, wires and distributor replaced. ... I've got a 1994 chevy silverado with the 5.7 v8. ... Hi my name is Anthony I have a1992 chevy k1500 my truck started acting rough so I went to the shop and got the temp sensor replaced and a new fuel regulator I just replaced the fuel filter ...Chevy S10 Rough Idle Causes. Hopefully, the check engine light is on. It can tell you a lot about what is going on with your S10. You can either go to the local parts store and ask them to scan the vehicle for you, or you can do this yourself.Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.1994 chevy silverado k2500 4wd, 157000 mi. 5.7 TBI, runs rough and very when cold but then runs fine after warm up and 1994 chevy: 4wd..runs fine..Changed plugs, oil change, new o2 sensor… 1994 Chevy 1500 4+4 5.7. Cold start, rough,after it warms up 1994 Chevy 1500 4+4 5.7. Cold start, rough,after it warms up runs good? … read more AMEDEEMay 21, 2020 · Reasons for a Rough Idle or High RPM. 1) Bad Spark Plugs. 2) Bad Ignition Coils/Wires. 3) Vacuum Leak. 4) Carburetor Issues. 5) Dirty Fuel Injector. 6) Clogged Air Filter. 7) Bad Idle Air Control Valve. 8) Incorrect Cam Timing. 2014-2019 Chevy Silverado K&N 63 Series AirCharger Air Intake 63-3082. 2014-2019 Chevy Silverado K&N 77-Series High Performance Air Intake System 77-3082KP. 2006-2007 Chevy Silverado Banks Ram-Air Intake 42142. 2014-2021 Chevy Silverado Airaid PowerAid Throttle Body Spacer 200-543. 1995 chevy silverado wont idle and stalls when stopping. i have a 1995 silverado 5.7liter 350 engine, i replaced the motor,the other motor had 225,000plus miles. after replacing the motor it will not idle,and stalls out when stopping, also noticed that the motor surges, when applying the throttle it will rev up,but it will try to die off unless ...Come along with Eric O. at the SMA shop as we have a look at this 2001 Chevrolet 1500 5.3 that came in with a lean misfire. The engine light is on with codes...I have a 91 Chevy 350 TBI in my truck. I few weeks ago this weird problem came up, when I go to start it, it would fire then die. When I step on the gas a bit it will run but idle really rough. When I turn the engine off and cycle the ignition and start it, it will start like normal, rev up a bit and settle into a high idle.#1 Ok here is the deal. This truck has a good motor but it lacks power all the time not like barely moves but it won't burn rubber. Now when its cold it runs really rough coughing and sputtering. If you have the throttle just barely open it will smooth out until it upshifts then it does it again until the rpms build.Few things are as annoying as turning the key in your truck and finding it will not start. There are many problems that can result in a Chevy Silverado's failure to start, making diagnosing the trouble even more frustrating. Depending upon how the failure occurs, you can check for several basic problems before ...99 Chev C3500 6.5L NV4500 14 bolt 2wd 4.10 130K White Ext, Gray Int. RC159.5" WB DRW Chassis Cab with utility box Runs Great, building up. 96 GMC C2500HD 6.5L NV4500 14 bolt 2wd 3.73 240K White Ext, Blue Int. ECLB 155.5"WB SRW Pickup runs bad, getting motor right now.Come along with Eric O. at the SMA shop as we have a look at this 2001 Chevrolet 1500 5.3 that came in with a lean misfire. The engine light is on with codes...Chevrolet truck. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. 1. Check to make sure your check engine light is not on, or that it is on with the key on butThe manufacturer has not yet provided a notification schedule. GM's number for this recall is 17035. Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. MORE RECALL INFO. 94 Blazer 4.3L Vortex - The previous owner had a Longblock installed in this blazer, there is approximently 15K miles on this engine according to the shop paper work that replace the motor. When the engine is cold, it runs as smooth as glass, but when the engine starts to get warm, the idle is rough, as though it has a miss or a stumble.SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. bronxcats Member Posts: 4. June 2006. My mechanic found the problem of why my 1997 Chevy s10 died suddenly while driving it. He said that the wire going to the ignition switch was rubbing against something and after 9 years of rubbing finally grounded/shorted out the wire. This must have been going on for 9 years.10-Year/Million Mile Limited Warranty. DESCRIPTION. Mandel-bent aluminum cold air intake kit feature a lightweight, polished aluminum tube paired with an oversized oiled cotton High-Flow Air Filter™ and steel heat shield. TUBE MATERIAL/FINISH. Lightweight aluminum tube; polished and powder-coated finishes. 99 Chev C3500 6.5L NV4500 14 bolt 2wd 4.10 130K White Ext, Gray Int. RC159.5" WB DRW Chassis Cab with utility box Runs Great, building up. 96 GMC C2500HD 6.5L NV4500 14 bolt 2wd 3.73 240K White Ext, Blue Int. ECLB 155.5"WB SRW Pickup runs bad, getting motor right now.Truck has 162K miles. The main problem is that the truck will start hard after sitting for 2+ hours and after it does fire it runs very rough and blows alot of white smoke for about 5 or so seconds(60 deg weather), after that the truck doesn't skip a beat and runs perfectly. The truck has always kinda started hard but one morning it got a lot ...This item AC Compressor & A/C Repair Kit For Chevy Silverado Cheyenne Pickup Suburban Tahoe Blazer GMC Sierra Yukon 1994 1995 - BuyAutoParts 60-80124RK New GM Genuine Parts 15-20189 Air Conditioning Compressor and Clutch Assembly Oil pressure drops to zero when engine starts then goes to 60,while driving after warm,pressure drops down 4.3 V6 vortec engine The 4.3 engine should have 20 to 30 psi at idle cold and around 50 to 60 psi running down the road. Has this engine had regular oil changes? If not the problem could be sludge build up.Tracking down specific classic GMC truck parts for sale can be as simple as entering your information into the Add My Vehicle tool. If you own a 1955 Cameo Carrier, a 1973 Square Body, a 1994 S-10 or dozens of other famous models, Eckler's has parts for it in-stock. If you want to shop by generation, such as tracking down 88-98 Chevy truck ... High idle, rough idle; Hyundai runs rough, misfire codes; P2111 P2112; Rough idle – Ford; Rough idle when warm; Stalls but restarts; Surging idle on Honda vehicles; Top 10 rough idle causes; Toyota Camry won’t start; Vibration at idle – Jeep; What causes car stalling? Shudder. Shudder when turning; By Trouble Code. ABS Light on GM vehicle ... 1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.Come along with Eric O. at the SMA shop as we have a look at this 2001 Chevrolet 1500 5.3 that came in with a lean misfire. The engine light is on with codes...Friends 1994 Chevy ext 1500 350 TBI auto approx. 18,000 on rebiuld. Starts and idles good. After up to operating temp while in gear and apply a load it begins to run rough. Says if he stomps on it from a stop sign it seems to go through the bad area but easing into it it is rough.The Gen II 5.7L LT1 350 was released in 1991. It is the successor, in a way, to the Gen I LT1 350, although this engine was only produced from 1970-1972. There is also a Gen III LT1 which is a 6.2L EcoTec3 V8 produced from 2014 to the present. The LT1 was the predecessor to […]FIXED! 1998 chevy k1500 5.7 vortec misfire was created by Steven1980. Can someone please help with what I should check next, I have a 1998 Chevy K1500 5.7 Vortec with a misfire, P0300 code for 3 months. runs a little rough, while driving under normal conditions it sputters, hesitates, and also will backfire, under heavy acceleration no ...Re: 1997 chevy truck won't start after hot. typically on chevies when they act like that its the starter solenoid-its mounted right on the starter,and they get hot from the exhaust-its called heat soak. Re: 1997 chevy truck won't start after hot. Heard of that happening before too.The engine runs lean or rich. Engine drags or hesitates when idle or under load. Engines RPMs fluctuate; Poor MPG; How to Replace Chevy MAF Sensor. Changing the mass airflow sensor on a Chevrolet is very easy and takes less than 30 minutes. MAF sensor is located near the air filter housing, as shown in the following picture. What you will need El Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. Mar 03, 2013 · I bought a newer work truck yesterday, an 05 Chevrolet Avalanche; 5.3 motor auto trans, 4WD. In good condition, but the truck has that smell of a vehicle that runs really rich, like the old carbureted vehicles smell when the choke is on. Everything looks stock under the hood with the... I have a 91 Chevy 350 TBI in my truck. I few weeks ago this weird problem came up, when I go to start it, it would fire then die. When I step on the gas a bit it will run but idle really rough. When I turn the engine off and cycle the ignition and start it, it will start like normal, rev up a bit and settle into a high idle.Chevy Truck Talk & GM News. 1989 suburban tbi 350 initial cold start runs rough. Jump to Latest Follow ... Daily_Project Status: It's been an on/ off affair for years. 1994 Chev astro awd 4.3l 700R. It keeps coming back to me, so I guess I'll do something fun with it. Like putting it on a 4* 1500 chassis under it whilst adding a 5.7, the vett ...Engine stalling is more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine stalling problem, often means the engine is not getting enough, fuel and/or too much air. Engine stalling problems, can be caused by almost anything, but are usually sensor related.1994-2004 Chevy S10 common problems include intermittent starting, an S10 that won't start after sitting, an S10 that turns over but won't start, and other issues like fuel pump problems. Find out their symptoms, causes and fixes as we explore the top problems on the 2nd generation of Chevy S10 trucks , also known as the Chevy S-10 or Chevy ...Engine stalling is more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine stalling problem, often means the engine is not getting enough, fuel and/or too much air. Engine stalling problems, can be caused by almost anything, but are usually sensor related.94 Blazer 4.3L Vortex - The previous owner had a Longblock installed in this blazer, there is approximently 15K miles on this engine according to the shop paper work that replace the motor. When the engine is cold, it runs as smooth as glass, but when the engine starts to get warm, the idle is rough, as though it has a miss or a stumble.Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home.Classic Cars for Sale. 1948 Cadillac $21,995. Series 62. CLEAN VINTAGE CADILLAC SURVIVOR W/ REPAINT! BELIEVED ORIG 346 V8, AUTO, NICE! Stock # 5166-DFW. 1948 Cadillac $29,995. Series 62. BEAUTIFUL CADDY SERIES 62, 346 L HEAD V8, 4-SPEED AUTO TRANS, CLASSIC LUXURY!! 2,816 Posts. Discussion Starter · #1 · Jun 18, 2003. Only show this user. Alright, I have a 99' S-10 with the 2.2L and a 5 speed. It's got 118,000 miles on it and until now, has ran beautifuly. Heres the thing....the enigne will run smooth at idle then all of a sudden, it will stumble. It happens more extensively when the engine is warm.91482v. Participant. Posts: 25. February 5, 2006 at 12:46 pm #417922. Get in, open window, turn ignition on and listen for the fuel pump to whine for about 5 seconds. Try and start it. Chances are, the fuel pump is stuck and not charging the system. Also, like previously stated, disconnect coolant temp sensor and for a rich mix.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. The truck will continue to run rough even when warm and at a stop light the idle will drop to almost wanting to stall but then will surge back up and then drop to almost stalling and so on until i start driving again. 1998 Chevy Truck Rough idle OBD Code P0300-Random Misfire normally results from vacuum leaks or bad fuel. 1994 Chevy 6.5L TD, (S) L56 2500 LD ext cab, 4L80-E trans, 3.73, LT265/75R/16, 168,000 mi. new ignition switch, new ops, new VSSB, new input & output vss, new HD PMD, de-snorkeled & de-webbed, TCC lock-up mod, OPS relay mod, High Idle switch, boost and pyro gauges on A-Pillar, boost fooler New injectors and 60g glow plugs as of 168,452An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.Mar 03, 2013 · I bought a newer work truck yesterday, an 05 Chevrolet Avalanche; 5.3 motor auto trans, 4WD. In good condition, but the truck has that smell of a vehicle that runs really rich, like the old carbureted vehicles smell when the choke is on. Everything looks stock under the hood with the... Apr 19, 2010 · Mayor: An expert whose answer got voted for 2 times. Contributor. 12 Answers. Re: Rough idle 1994 chevy pick up k1500 4x4. I had a 96 GMC 1500 with a 5.7 ltr. It would idle rough, especially on start up. After replacing everything under the sun, it turned out the ECM (computer) was shot. I found a used one and plugged it in and it ran fine. Rough Idle and spark knock, have done the following, Timing chain and gears, re-timed, cap, rotor, plugs, wires, EGR valve, EGR valve solenoid, fuel filter. It started when I was slowing down from the interstate, noticed spark knock, and a rough idle thought maybe bad gas, put in 104 octane, no difference.It is enough to have the generic running board installation instruction handy to install running boards on your Silverado truck by yourself and save on the installation. Step 1. Start the running board installation procedure from the driver’s side of your Silverado truck. Inspect the rocker area of the truck and locate 5 tabs (pinch weld). Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.2014-2019 Chevy Silverado K&N 63 Series AirCharger Air Intake 63-3082. 2014-2019 Chevy Silverado K&N 77-Series High Performance Air Intake System 77-3082KP. 2006-2007 Chevy Silverado Banks Ram-Air Intake 42142. 2014-2021 Chevy Silverado Airaid PowerAid Throttle Body Spacer 200-543. hello, i have a 03 chevy express 3500 auto 6.0 180000 miles well taken care of problem is when its cold outside and on start up runs rough and gradully smooths out after its warm .the only code i have is p0101 and i just pulled the air box apart and cleaned the mass air sensor with electric spray c... The Gen II 5.7L LT1 350 was released in 1991. It is the successor, in a way, to the Gen I LT1 350, although this engine was only produced from 1970-1972. There is also a Gen III LT1 which is a 6.2L EcoTec3 V8 produced from 2014 to the present. The LT1 was the predecessor to […]What complicates a rough idle/misfire condition is having the PCM not register any specific misfire codes. In my neighbor's Blazer, the PCM wasn't even registering a P0300, but it was obviously running very rough (at idle that is). Since it was obviously missing, I needed to find the misfiring cylinder.It is enough to have the generic running board installation instruction handy to install running boards on your Silverado truck by yourself and save on the installation. Step 1. Start the running board installation procedure from the driver’s side of your Silverado truck. Inspect the rocker area of the truck and locate 5 tabs (pinch weld). Rough idle on a 1994 chevy 1500. Ive recently gave my truck a tune up. when i replaced the PCV valve there was no vacume. i removed the throttle body and the port was clogged, i cleaned it out and then it didnt idle right, and or has hesitation at ecselerating.it seems fine at higher RPM. Ive added new plugs,wirers,rotor and cap,aic valve,tps ... Nov 22, 2010 · I got a 1994 Chevy Blazer Silverado K 1500 Suburban is a 5.7 v8 my check engine light doesn't come on even after replacing the computer program to my VIN and marrying the key to it through the steps from the dealer. If I had gas directly to the throttle body in a run but not on its own. Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.Rough Idle and spark knock, have done the following, Timing chain and gears, re-timed, cap, rotor, plugs, wires, EGR valve, EGR valve solenoid, fuel filter. It started when I was slowing down from the interstate, noticed spark knock, and a rough idle thought maybe bad gas, put in 104 octane, no difference.The rough smoky cold starts may be a combination of inoperative cold advance and weak GP's. ... 1994 Chevy K1500 Z71, 6.5L TD :sfa: 145,000 miles, bumper mount PMD, ... "still running" 1994 GMC SLE C1500 SWB CrewCab 6.5TD/4L80e weekend toy currently scattered in pieces awaiting it's turn ...bronxcats Member Posts: 4. June 2006. My mechanic found the problem of why my 1997 Chevy s10 died suddenly while driving it. He said that the wire going to the ignition switch was rubbing against something and after 9 years of rubbing finally grounded/shorted out the wire. This must have been going on for 9 years.Jul 29, 2007 · 1994 chevy truck 350 cid with tbi. 62000 miles. Truck run perfect when cold but after it warms up it backfires though the intake bad and has no … read more Gary Chevy Technician Vocational, Technical or Tra... 9,659 satisfied customers Chevrolet Suburban 1500: Have a suburban 350 tbi and it is Have a suburban 350 tbi and it is idling rough. El Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.El Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.2001 Chevy Silverado Truck Question: I can start my truck and it dies if i keep giving it gas it will stay on but as soon as let off the gas the Silverado dies. Answer: You could have a couple different issues that are causing your problem. There may a restriction in the intake path that won't let the truck idle normally, such as a dirty air ... If your check engine light is on, you need to get your codes checked. Auto Zone and others will do this for free. If you ONLY have codes P1216, P1217, 35, 36 or any combination of those, you need just the PMD. If you have codes P0251 or PO370, 17, 18, or any combination of those, you should consider the injection pump suspect. hello, i have a 03 chevy express 3500 auto 6.0 180000 miles well taken care of problem is when its cold outside and on start up runs rough and gradully smooths out after its warm .the only code i have is p0101 and i just pulled the air box apart and cleaned the mass air sensor with electric spray c... My 2002 Suburban idles very rough/erratic when the temperature outisde is cold (i.e. 32 degrees or below). I can hold the idle up, 1500 rpm, via the peddle and it will be fine. But when I let off, it will almost die and then idle varies between 700 to almost stalling. Once the engine is warmed up, it will idle fine.Dec 09, 2009 · I do know running a cold thermostat in these trucks can make them run rich to the point that so much carbon deposits get on the intake valves that is makes the engine misfire, idle rough and lack acceleration performance. It could be something very simple like a sensor that is supplying the ECM false readings. May 21, 2020 · Reasons for a Rough Idle or High RPM. 1) Bad Spark Plugs. 2) Bad Ignition Coils/Wires. 3) Vacuum Leak. 4) Carburetor Issues. 5) Dirty Fuel Injector. 6) Clogged Air Filter. 7) Bad Idle Air Control Valve. 8) Incorrect Cam Timing. The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable.Truck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest FollowStrong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Chevrolet truck. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. 1. Check to make sure your check engine light is not on, or that it is on with the key on but1990 Chevy Truck Idle Problem. Jump to Latest Follow ... then run it and see if it still does this, if it runs great (loud of course) then it could be your 'cat. OR, bang your 'cat converter some, to knock some of the debris loose, and run it and see if that changes the pitch any ... It will cause a rough idle at low rpms. would cause a stall ...Dec 22, 2017 · On cold start the timing is advanced so much that you cannot see the timing mark on the balancer and it is firing radically (based on the light) at #1 wire. As the engine starts to warm (30 to 45 seconds) the timing comes back to what I would say is normal at cold running condition and the engine smoothes out and idles perfect. The truck will continue to run rough even when warm and at a stop light the idle will drop to almost wanting to stall but then will surge back up and then drop to almost stalling and so on until i start driving again. 1998 Chevy Truck Rough idle OBD Code P0300-Random Misfire normally results from vacuum leaks or bad fuel. 1994 Infiniti Q45a 240000 Miles. ... that this only happens when it's cold, most MAF concerns are seen while cold, under load, or in conjunction with a rough idle conditions. ... My Nissan pathfinder starts and runs great when it's cold but after it gets to normal running temperature and you drive it then it starts skipping really bad and ...it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.1994 S-10 4x4 pickup, 4.3L, VIN W. 215,000 on the truck, 40 or so on a GM crate engine. A week or 2 ago the truck started missing and surging anywhere but idle or wot. Starts fine, even today when it was -15, fuel pressure 52 running, holds after shut down, newer plugs/wires/cap rotor, tested MAP sensor and tests good, tested resistance changes ...Put the spring scale 1/2 way between the alternator and crankshaft pulley, pull on it to 22lbs (10Kg), and check the deflection doesn't exceed 0.453 in (11.5mm). If it does, readjust so that deflection is in the range 0.28-0.31 in (7-8 mm) for a used belt or 0.256- 0.295 (6.5- 7.5mm) in for a new belt.It is enough to have the generic running board installation instruction handy to install running boards on your Silverado truck by yourself and save on the installation. Step 1. Start the running board installation procedure from the driver’s side of your Silverado truck. Inspect the rocker area of the truck and locate 5 tabs (pinch weld). I'm experiencing a similar problem it's a 2001 mazda 323 bj sp20 2.0 dohc, it runs perfectly fine when it is cold has great power and as soon as it warms up to operating temperature it dramatically loses power to the point it crawls so slow it would be faster to walk, I have changed all the coils leads and spark plugs for brand new ones ...So the past couple months I've noticed my truck has a really rough idle in the mornings when it is cold out, to the point where it has even died before. I just replaced the plugs about 3 months back and it ran fine after, people have told me things like it is the o2 sensors to the cat is plugged up to my fuel filter is bad.May 21, 2020 · Reasons for a Rough Idle or High RPM. 1) Bad Spark Plugs. 2) Bad Ignition Coils/Wires. 3) Vacuum Leak. 4) Carburetor Issues. 5) Dirty Fuel Injector. 6) Clogged Air Filter. 7) Bad Idle Air Control Valve. 8) Incorrect Cam Timing. May 21, 2020 · Reasons for a Rough Idle or High RPM. 1) Bad Spark Plugs. 2) Bad Ignition Coils/Wires. 3) Vacuum Leak. 4) Carburetor Issues. 5) Dirty Fuel Injector. 6) Clogged Air Filter. 7) Bad Idle Air Control Valve. 8) Incorrect Cam Timing. I have a 99 silverado, 5.3 liter 4x4 137k miles. Runs great when engine is cold. After about 10-15 minutes of driving when engine warms up, engine bogs down, idles rough, and dies when throttle is applied. I ran the codes, had low voltage x4 oxygen sensors, and random misfires. I replaced the 02 sensors because I am well over 100k miles.Few things are as annoying as turning the key in your truck and finding it will not start. There are many problems that can result in a Chevy Silverado's failure to start, making diagnosing the trouble even more frustrating. Depending upon how the failure occurs, you can check for several basic problems before ...1994 S-10 4x4 pickup, 4.3L, VIN W. 215,000 on the truck, 40 or so on a GM crate engine. A week or 2 ago the truck started missing and surging anywhere but idle or wot. Starts fine, even today when it was -15, fuel pressure 52 running, holds after shut down, newer plugs/wires/cap rotor, tested MAP sensor and tests good, tested resistance changes ...2,816 Posts. Discussion Starter · #1 · Jun 18, 2003. Only show this user. Alright, I have a 99' S-10 with the 2.2L and a 5 speed. It's got 118,000 miles on it and until now, has ran beautifuly. Heres the thing....the enigne will run smooth at idle then all of a sudden, it will stumble. It happens more extensively when the engine is warm.The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable.FEY Perfect Match Bumpers Includes direct fit mounting brackets. $432.00 to $1,012.00. View Details. 2,816 Posts. Discussion Starter · #1 · Jun 18, 2003. Only show this user. Alright, I have a 99' S-10 with the 2.2L and a 5 speed. It's got 118,000 miles on it and until now, has ran beautifuly. Heres the thing....the enigne will run smooth at idle then all of a sudden, it will stumble. It happens more extensively when the engine is warm.Jun 20, 2012. #1. OK guys, I am out of ideas here on this truck. It is a 91 chevy truck with the 350 (5.7) with TBI. The truck has 190K miles on it and runs fine other than a misfire. It does it sometimes at idle when cold and does it just going down the road at 40-45mph when it gets into overdrive and is running in the 1500RPM range.2001 Chevy Silverado Truck Question: I can start my truck and it dies if i keep giving it gas it will stay on but as soon as let off the gas the Silverado dies. Answer: You could have a couple different issues that are causing your problem. There may a restriction in the intake path that won't let the truck idle normally, such as a dirty air ... 1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...Friends 1994 Chevy ext 1500 350 TBI auto approx. 18,000 on rebiuld. Starts and idles good. After up to operating temp while in gear and apply a load it begins to run rough. Says if he stomps on it from a stop sign it seems to go through the bad area but easing into it it is rough.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. 1994 chevrolet corsica Technical Service Bulletins (TSBs). Check for technical service bulletins (TSBs) on your vehicle by make, model, and year. Dec 09, 2009 · I do know running a cold thermostat in these trucks can make them run rich to the point that so much carbon deposits get on the intake valves that is makes the engine misfire, idle rough and lack acceleration performance. It could be something very simple like a sensor that is supplying the ECM false readings. Hawkinsville Ga. Dec 27, 2012. #1. 1994 1500 5.7 TBI (3 year old Jasper engine - 20k miles). Background; Grandson drove truck 75 miles to my place backfiring and barely running. Truck had been overheated several months prior and I assume it was HOT.Sway bars are actually torsion springs, and can indeed have an effect on your Chevrolet C- and K-Series Truck suspension's spring rate during cornering and on rough roads. Adding aftermarket Chevrolet C- and K-Series Truck sway bars, also popularly known as "anti-roll bars," is a great way to improve the overall handling of your ride. These ... Chevy S10 Rough Idle Causes. Hopefully, the check engine light is on. It can tell you a lot about what is going on with your S10. You can either go to the local parts store and ask them to scan the vehicle for you, or you can do this yourself.#1 Ok here is the deal. This truck has a good motor but it lacks power all the time not like barely moves but it won't burn rubber. Now when its cold it runs really rough coughing and sputtering. If you have the throttle just barely open it will smooth out until it upshifts then it does it again until the rpms build.hello, i have a 03 chevy express 3500 auto 6.0 180000 miles well taken care of problem is when its cold outside and on start up runs rough and gradully smooths out after its warm .the only code i have is p0101 and i just pulled the air box apart and cleaned the mass air sensor with electric spray c... 1990 Chevy Truck Idle Problem. Jump to Latest Follow ... then run it and see if it still does this, if it runs great (loud of course) then it could be your 'cat. OR, bang your 'cat converter some, to knock some of the debris loose, and run it and see if that changes the pitch any ... It will cause a rough idle at low rpms. would cause a stall ...Truck has 162K miles. The main problem is that the truck will start hard after sitting for 2+ hours and after it does fire it runs very rough and blows alot of white smoke for about 5 or so seconds(60 deg weather), after that the truck doesn't skip a beat and runs perfectly. The truck has always kinda started hard but one morning it got a lot ...4 Common Reasons Why Your Engine May Be Idling Rough. 1. Vacuum Leak. Most vehicles have a maze of hoses throughout which create a vacuum for both fuel and air. In older engines with a carburetor, this vacuum pulls the fuel into the engine. Most newer vehicles, however, have a throttle to regulate engine speed and airflow through the system.1998 chevy 3500 dump truck with lift gate. 454 gas motor, manual 5 speed has granny gear, runs down the road just fine. Lift gate has remote control upgrade. Lift gate has remote control upgrade. No I dont know the lift gate capacity but it picked up two old fat guys and a piano with no hesitation. 1994 Toyota Previa. This problem started suddenly. Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. Worse problem is bad hesitation when accelerating after throttle at idle position, sometimes stalling. Worst after stationary idle, but also after moving at low to medium ...Truck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest FollowI'm experiencing a similar problem it's a 2001 mazda 323 bj sp20 2.0 dohc, it runs perfectly fine when it is cold has great power and as soon as it warms up to operating temperature it dramatically loses power to the point it crawls so slow it would be faster to walk, I have changed all the coils leads and spark plugs for brand new ones ...1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...Sway bars are actually torsion springs, and can indeed have an effect on your Chevrolet C- and K-Series Truck suspension's spring rate during cornering and on rough roads. Adding aftermarket Chevrolet C- and K-Series Truck sway bars, also popularly known as "anti-roll bars," is a great way to improve the overall handling of your ride. These ... The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable. High idle, rough idle; Hyundai runs rough, misfire codes; P2111 P2112; Rough idle – Ford; Rough idle when warm; Stalls but restarts; Surging idle on Honda vehicles; Top 10 rough idle causes; Toyota Camry won’t start; Vibration at idle – Jeep; What causes car stalling? Shudder. Shudder when turning; By Trouble Code. ABS Light on GM vehicle ... 1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...It is enough to have the generic running board installation instruction handy to install running boards on your Silverado truck by yourself and save on the installation. Step 1. Start the running board installation procedure from the driver’s side of your Silverado truck. Inspect the rocker area of the truck and locate 5 tabs (pinch weld). Rough Idle and spark knock, have done the following, Timing chain and gears, re-timed, cap, rotor, plugs, wires, EGR valve, EGR valve solenoid, fuel filter. It started when I was slowing down from the interstate, noticed spark knock, and a rough idle thought maybe bad gas, put in 104 octane, no difference.hello, i have a 03 chevy express 3500 auto 6.0 180000 miles well taken care of problem is when its cold outside and on start up runs rough and gradully smooths out after its warm .the only code i have is p0101 and i just pulled the air box apart and cleaned the mass air sensor with electric spray c... Come along with Eric O. at the SMA shop as we have a look at this 2001 Chevrolet 1500 5.3 that came in with a lean misfire. The engine light is on with codes...Feb 24, 2021 · When cranking, fuel pressure gets to 42 PSI. then “if” truck starts, PSI goes to 36 psi. & runs perfect. When I remove vacuum line from Fuel pressure reg. fuel PSI jumps to 42. There is no fuel in vacuum line (NEW Fuel pressure reg). If I use a little ether/starting fluid, the truck starts immediately. I’ve got about $200 throwing parts ... it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.There is often a backfire or two when this happens. Pumping the gas does not help. I basically have to crawl through any intersection until it picks up a bit of speed from idle. The truck idles smoothly, and it runs fine once it's above about 5-10mph or so. If moving at aEl Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.Dec 09, 2009 · I do know running a cold thermostat in these trucks can make them run rich to the point that so much carbon deposits get on the intake valves that is makes the engine misfire, idle rough and lack acceleration performance. It could be something very simple like a sensor that is supplying the ECM false readings. The engine runs lean or rich. Engine drags or hesitates when idle or under load. Engines RPMs fluctuate; Poor MPG; How to Replace Chevy MAF Sensor. Changing the mass airflow sensor on a Chevrolet is very easy and takes less than 30 minutes. MAF sensor is located near the air filter housing, as shown in the following picture. What you will need hello, i have a 03 chevy express 3500 auto 6.0 180000 miles well taken care of problem is when its cold outside and on start up runs rough and gradully smooths out after its warm .the only code i have is p0101 and i just pulled the air box apart and cleaned the mass air sensor with electric spray c... The truck still runs rough, I called comp cams who recommended I time the truck between 10 and 20 degrees advanced for the cam they sold me. I have had the timing everywhere from 0 to 20 degrees advanced and it will run better or worse but never good no matter where the timing is set. There is a rough idle and a noticable vibration.1994 Chevy 6.5L TD, (S) L56 2500 LD ext cab, 4L80-E trans, 3.73, LT265/75R/16, 168,000 mi. new ignition switch, new ops, new VSSB, new input & output vss, new HD PMD, de-snorkeled & de-webbed, TCC lock-up mod, OPS relay mod, High Idle switch, boost and pyro gauges on A-Pillar, boost fooler New injectors and 60g glow plugs as of 168,452My 2002 Suburban idles very rough/erratic when the temperature outisde is cold (i.e. 32 degrees or below). I can hold the idle up, 1500 rpm, via the peddle and it will be fine. But when I let off, it will almost die and then idle varies between 700 to almost stalling. Once the engine is warmed up, it will idle fine.Rough idle on a 1994 chevy 1500. Ive recently gave my truck a tune up. when i replaced the PCV valve there was no vacume. i removed the throttle body and the port was clogged, i cleaned it out and then it didnt idle right, and or has hesitation at ecselerating.it seems fine at higher RPM. Ive added new plugs,wirers,rotor and cap,aic valve,tps ... An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.1994 Infiniti Q45a 240000 Miles. ... that this only happens when it's cold, most MAF concerns are seen while cold, under load, or in conjunction with a rough idle conditions. ... My Nissan pathfinder starts and runs great when it's cold but after it gets to normal running temperature and you drive it then it starts skipping really bad and ...1994 Chevrolet C/K Pickup 1500 CHEVY GMC TRUCK 1500 SILVERADO k SIERRA C10 OTHER 1994 STEP SIDE SWB CHEVY GMC 78K MILE SINGLE CAB 350 V8 TRUCK 400GMT 460LE TRANS. $9,600. Jackson, Mississippi. Year 1994. Make Chevrolet. Model C/K Pickup 1500. Category -.Truck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest FollowThe truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable.2,816 Posts. Discussion Starter · #1 · Jun 18, 2003. Only show this user. Alright, I have a 99' S-10 with the 2.2L and a 5 speed. It's got 118,000 miles on it and until now, has ran beautifuly. Heres the thing....the enigne will run smooth at idle then all of a sudden, it will stumble. It happens more extensively when the engine is warm.bronxcats Member Posts: 4. June 2006. My mechanic found the problem of why my 1997 Chevy s10 died suddenly while driving it. He said that the wire going to the ignition switch was rubbing against something and after 9 years of rubbing finally grounded/shorted out the wire. This must have been going on for 9 years.View all 40 consumer vehicle reviews for the Used 1994 Chevrolet C/K 1500 Series on Edmunds, or submit your own review of the 1994 C/K 1500 Series. ... that runs in hot or cold, and is as reliable ...1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.Specifically, the lawsuit claimed the active fuel management (AFM) system ...1994 Chevrolet C/K Pickup 1500 CHEVY GMC TRUCK 1500 SILVERADO k SIERRA C10 OTHER 1994 STEP SIDE SWB CHEVY GMC 78K MILE SINGLE CAB 350 V8 TRUCK 400GMT 460LE TRANS. $9,600. Jackson, Mississippi. Year 1994. Make Chevrolet. Model C/K Pickup 1500. Category -.1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.Specifically, the lawsuit claimed the active fuel management (AFM) system ...Truck has 162K miles. The main problem is that the truck will start hard after sitting for 2+ hours and after it does fire it runs very rough and blows alot of white smoke for about 5 or so seconds(60 deg weather), after that the truck doesn't skip a beat and runs perfectly. The truck has always kinda started hard but one morning it got a lot ...Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.When the cars idle gets rough, it hard to comprehend the related causes. It is because rough idle when warm can either be caused by one faulty component or through series of problems.. However, it is easy to recognize the problem, as during rough idling either the engine would run at an irregular rate or it may have varying RPMs without your foot on the gas pedal.Jun 20, 2012. #1. OK guys, I am out of ideas here on this truck. It is a 91 chevy truck with the 350 (5.7) with TBI. The truck has 190K miles on it and runs fine other than a misfire. It does it sometimes at idle when cold and does it just going down the road at 40-45mph when it gets into overdrive and is running in the 1500RPM range.Dec 22, 2017 · On cold start the timing is advanced so much that you cannot see the timing mark on the balancer and it is firing radically (based on the light) at #1 wire. As the engine starts to warm (30 to 45 seconds) the timing comes back to what I would say is normal at cold running condition and the engine smoothes out and idles perfect. This will make for rough restarts. The way to find out is to put a fuel pressure gauge on it, get the truck up to temp and then shut it down and see how long it holds fuel pressure. It should hold it very well for a long time. If it falls off quickly then it is the fuel pump. For priming the fuel pump, btw, turning the key to run and pausing a ...Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.Specifically, the lawsuit claimed the active fuel management (AFM) system ...Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home.Dec 09, 2009 · I do know running a cold thermostat in these trucks can make them run rich to the point that so much carbon deposits get on the intake valves that is makes the engine misfire, idle rough and lack acceleration performance. It could be something very simple like a sensor that is supplying the ECM false readings. Here is a very sharp custom built 1994 Chevy truck. This truck has a 1994 2500 Cab with 1997 model dash and grill and 1994 model bed. and rest of body like all 4 fenders and hood. The door are the doors that came on the 1994 Cab. It has 1997 running gear with the Vortec 350 engine that runs great and the 700R4 transmission that shifts great.If your check engine light is on, you need to get your codes checked. Auto Zone and others will do this for free. If you ONLY have codes P1216, P1217, 35, 36 or any combination of those, you need just the PMD. If you have codes P0251 or PO370, 17, 18, or any combination of those, you should consider the injection pump suspect. SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. Papaw's Truck. My grandfather purchase this truck new in 1994. He used it for maintaining his wife's old homestead farm in Hebert Louisiana and as his daily driver. It was his replacement to his old 1984 Silverado. He always joked that the only difference in a Chevy and a GMC was $50 dollars worth of chrome. He passed away in 1999.This will make for rough restarts. The way to find out is to put a fuel pressure gauge on it, get the truck up to temp and then shut it down and see how long it holds fuel pressure. It should hold it very well for a long time. If it falls off quickly then it is the fuel pump. For priming the fuel pump, btw, turning the key to run and pausing a ...1994 Toyota Previa. This problem started suddenly. Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. Worse problem is bad hesitation when accelerating after throttle at idle position, sometimes stalling. Worst after stationary idle, but also after moving at low to medium ...What complicates a rough idle/misfire condition is having the PCM not register any specific misfire codes. In my neighbor's Blazer, the PCM wasn't even registering a P0300, but it was obviously running very rough (at idle that is). Since it was obviously missing, I needed to find the misfiring cylinder.Rough Idle and spark knock, have done the following, Timing chain and gears, re-timed, cap, rotor, plugs, wires, EGR valve, EGR valve solenoid, fuel filter. It started when I was slowing down from the interstate, noticed spark knock, and a rough idle thought maybe bad gas, put in 104 octane, no difference.1990 Chevy Truck Idle Problem. Jump to Latest Follow ... then run it and see if it still does this, if it runs great (loud of course) then it could be your 'cat. OR, bang your 'cat converter some, to knock some of the debris loose, and run it and see if that changes the pitch any ... It will cause a rough idle at low rpms. would cause a stall ...Oil pressure drops to zero when engine starts then goes to 60,while driving after warm,pressure drops down 4.3 V6 vortec engine The 4.3 engine should have 20 to 30 psi at idle cold and around 50 to 60 psi running down the road. Has this engine had regular oil changes? If not the problem could be sludge build up.Chevy Truck Talk & GM News. 1989 suburban tbi 350 initial cold start runs rough. Jump to Latest Follow ... Daily_Project Status: It's been an on/ off affair for years. 1994 Chev astro awd 4.3l 700R. It keeps coming back to me, so I guess I'll do something fun with it. Like putting it on a 4* 1500 chassis under it whilst adding a 5.7, the vett ...SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. Hi I have a 1994 k1500 350 tbi and have been chasing a problem with intermittent rough idle and low idle in gear runs fine when reved and going down the road and I can also hear a quiet muffled backfire through the exhaust at idle that is also intermittent. Help would be greatly appreciated Answered in 2 minutes by:1994 Chevrolet K1500 4.3L Rough Idle at Startup Hello Cartalk, I have a 1994 Chevy 4.3L vortec that will have a rough idle and wants to stall out for about the first 30 seconds after start up. Appears to only do it when the motor is cold, but will have slight hesitation starting up when it is warm.Engine stalling is more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine stalling problem, often means the engine is not getting enough, fuel and/or too much air. Engine stalling problems, can be caused by almost anything, but are usually sensor related.Hawkinsville Ga. Dec 27, 2012. #1. 1994 1500 5.7 TBI (3 year old Jasper engine - 20k miles). Background; Grandson drove truck 75 miles to my place backfiring and barely running. Truck had been overheated several months prior and I assume it was HOT.Chevy 4.3 engine are known for making bad throttle control switches (TCS) and Idle air control valves (IAC), which would cause all these problems. Idle Air Control Valve and Throttle Conrtol Switch. Open up the hood and look at all the wires, spark plugs, tubes, vacuum lines and valves. Look for corrosion, breaks, exposed wires and loose ...Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Oil pressure drops to zero when engine starts then goes to 60,while driving after warm,pressure drops down 4.3 V6 vortec engine The 4.3 engine should have 20 to 30 psi at idle cold and around 50 to 60 psi running down the road. Has this engine had regular oil changes? If not the problem could be sludge build up.What complicates a rough idle/misfire condition is having the PCM not register any specific misfire codes. In my neighbor's Blazer, the PCM wasn't even registering a P0300, but it was obviously running very rough (at idle that is). Since it was obviously missing, I needed to find the misfiring cylinder.Apr 19, 2010 · Mayor: An expert whose answer got voted for 2 times. Contributor. 12 Answers. Re: Rough idle 1994 chevy pick up k1500 4x4. I had a 96 GMC 1500 with a 5.7 ltr. It would idle rough, especially on start up. After replacing everything under the sun, it turned out the ECM (computer) was shot. I found a used one and plugged it in and it ran fine. 1994 Chevrolet C/K Pickup 1500 CHEVY GMC TRUCK 1500 SILVERADO k SIERRA C10 OTHER 1994 STEP SIDE SWB CHEVY GMC 78K MILE SINGLE CAB 350 V8 TRUCK 400GMT 460LE TRANS. $9,600. Jackson, Mississippi. Year 1994. Make Chevrolet. Model C/K Pickup 1500. Category -.Chevy S10 Rough Idle Causes. Hopefully, the check engine light is on. It can tell you a lot about what is going on with your S10. You can either go to the local parts store and ask them to scan the vehicle for you, or you can do this yourself.Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable. Chevy Truck Talk & GM News. 1989 suburban tbi 350 initial cold start runs rough. Jump to Latest Follow ... Daily_Project Status: It's been an on/ off affair for years. 1994 Chev astro awd 4.3l 700R. It keeps coming back to me, so I guess I'll do something fun with it. Like putting it on a 4* 1500 chassis under it whilst adding a 5.7, the vett ...Truck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest FollowEl Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.I'm experiencing a similar problem it's a 2001 mazda 323 bj sp20 2.0 dohc, it runs perfectly fine when it is cold has great power and as soon as it warms up to operating temperature it dramatically loses power to the point it crawls so slow it would be faster to walk, I have changed all the coils leads and spark plugs for brand new ones ...1994 chevrolet corsica Technical Service Bulletins (TSBs). Check for technical service bulletins (TSBs) on your vehicle by make, model, and year. The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home.Recently my 5.3L has been giving a rough idle on cold start only, no drivability issues. It starts fine, goes to 900/1000RPM as usual and after a few seconds it starts to stumble. The RPMs drop to 500 and bounces to 700 for a few seconds, 5-10 maybe. Then it slowly starts to clear out. the...94 Blazer 4.3L Vortex - The previous owner had a Longblock installed in this blazer, there is approximently 15K miles on this engine according to the shop paper work that replace the motor. When the engine is cold, it runs as smooth as glass, but when the engine starts to get warm, the idle is rough, as though it has a miss or a stumble.What I have done since having the truck: 1) Removed all ******* stickers and made it look neater 2) Oil change 3) Air filter change 4) New battery and battery cables 5) Bolted down the tool box in the bed 6) Topped off the air pressure in the tires As you can see I dont treat this truck like crap. Can you guys help me out?Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Come along with Eric O. at the SMA shop as we have a look at this 2001 Chevrolet 1500 5.3 that came in with a lean misfire. The engine light is on with codes...99 Chev C3500 6.5L NV4500 14 bolt 2wd 4.10 130K White Ext, Gray Int. RC159.5" WB DRW Chassis Cab with utility box Runs Great, building up. 96 GMC C2500HD 6.5L NV4500 14 bolt 2wd 3.73 240K White Ext, Blue Int. ECLB 155.5"WB SRW Pickup runs bad, getting motor right now.The manufacturer has not yet provided a notification schedule. GM's number for this recall is 17035. Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. MORE RECALL INFO. Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. May 21, 2020 · Reasons for a Rough Idle or High RPM. 1) Bad Spark Plugs. 2) Bad Ignition Coils/Wires. 3) Vacuum Leak. 4) Carburetor Issues. 5) Dirty Fuel Injector. 6) Clogged Air Filter. 7) Bad Idle Air Control Valve. 8) Incorrect Cam Timing. Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.Come along with Eric O. at the SMA shop as we have a look at this 2001 Chevrolet 1500 5.3 that came in with a lean misfire. The engine light is on with codes...Few things are as annoying as turning the key in your truck and finding it will not start. There are many problems that can result in a Chevy Silverado's failure to start, making diagnosing the trouble even more frustrating. Depending upon how the failure occurs, you can check for several basic problems before ...So the past couple months I've noticed my truck has a really rough idle in the mornings when it is cold out, to the point where it has even died before. I just replaced the plugs about 3 months back and it ran fine after, people have told me things like it is the o2 sensors to the cat is plugged up to my fuel filter is bad.Hi I have a 1994 k1500 350 tbi and have been chasing a problem with intermittent rough idle and low idle in gear runs fine when reved and going down the road and I can also hear a quiet muffled backfire through the exhaust at idle that is also intermittent. Help would be greatly appreciated Answered in 2 minutes by:qngtwvmhgbljrThe rough smoky cold starts may be a combination of inoperative cold advance and weak GP's. ... 1994 Chevy K1500 Z71, 6.5L TD :sfa: 145,000 miles, bumper mount PMD, ... "still running" 1994 GMC SLE C1500 SWB CrewCab 6.5TD/4L80e weekend toy currently scattered in pieces awaiting it's turn ...Rough idle on a 1994 chevy 1500. Ive recently gave my truck a tune up. when i replaced the PCV valve there was no vacume. i removed the throttle body and the port was clogged, i cleaned it out and then it didnt idle right, and or has hesitation at ecselerating.it seems fine at higher RPM. Ive added new plugs,wirers,rotor and cap,aic valve,tps ... 1994 Chevrolet C/K Pickup 1500 CHEVY GMC TRUCK 1500 SILVERADO k SIERRA C10 OTHER 1994 STEP SIDE SWB CHEVY GMC 78K MILE SINGLE CAB 350 V8 TRUCK 400GMT 460LE TRANS. $9,600. Jackson, Mississippi. Year 1994. Make Chevrolet. Model C/K Pickup 1500. Category -.SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.Dec 22, 2017 · On cold start the timing is advanced so much that you cannot see the timing mark on the balancer and it is firing radically (based on the light) at #1 wire. As the engine starts to warm (30 to 45 seconds) the timing comes back to what I would say is normal at cold running condition and the engine smoothes out and idles perfect. Re: 1997 chevy truck won't start after hot. typically on chevies when they act like that its the starter solenoid-its mounted right on the starter,and they get hot from the exhaust-its called heat soak. Re: 1997 chevy truck won't start after hot. Heard of that happening before too.my 91 chevy had a similar problem it would run fine when it was cold but soon as hit about 160 it would start missing popping stalling and run very rich after about 2 days of working on it I found the coolant temp sensor up top by the t-stat housing was bad about a $15 part.Chevy S10 Rough Idle Causes. Hopefully, the check engine light is on. It can tell you a lot about what is going on with your S10. You can either go to the local parts store and ask them to scan the vehicle for you, or you can do this yourself.Dec 22, 2017 · On cold start the timing is advanced so much that you cannot see the timing mark on the balancer and it is firing radically (based on the light) at #1 wire. As the engine starts to warm (30 to 45 seconds) the timing comes back to what I would say is normal at cold running condition and the engine smoothes out and idles perfect. There is often a backfire or two when this happens. Pumping the gas does not help. I basically have to crawl through any intersection until it picks up a bit of speed from idle. The truck idles smoothly, and it runs fine once it's above about 5-10mph or so. If moving at a99 Chev C3500 6.5L NV4500 14 bolt 2wd 4.10 130K White Ext, Gray Int. RC159.5" WB DRW Chassis Cab with utility box Runs Great, building up. 96 GMC C2500HD 6.5L NV4500 14 bolt 2wd 3.73 240K White Ext, Blue Int. ECLB 155.5"WB SRW Pickup runs bad, getting motor right now.View all 40 consumer vehicle reviews for the Used 1994 Chevrolet C/K 1500 Series on Edmunds, or submit your own review of the 1994 C/K 1500 Series. ... that runs in hot or cold, and is as reliable ...1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...1995 chevy silverado wont idle and stalls when stopping. i have a 1995 silverado 5.7liter 350 engine, i replaced the motor,the other motor had 225,000plus miles. after replacing the motor it will not idle,and stalls out when stopping, also noticed that the motor surges, when applying the throttle it will rev up,but it will try to die off unless ...Chevy Truck Talk & GM News. 1989 suburban tbi 350 initial cold start runs rough. Jump to Latest Follow ... Daily_Project Status: It's been an on/ off affair for years. 1994 Chev astro awd 4.3l 700R. It keeps coming back to me, so I guess I'll do something fun with it. Like putting it on a 4* 1500 chassis under it whilst adding a 5.7, the vett ...Feb 24, 2021 · When cranking, fuel pressure gets to 42 PSI. then “if” truck starts, PSI goes to 36 psi. & runs perfect. When I remove vacuum line from Fuel pressure reg. fuel PSI jumps to 42. There is no fuel in vacuum line (NEW Fuel pressure reg). If I use a little ether/starting fluid, the truck starts immediately. I’ve got about $200 throwing parts ... My 2002 Suburban idles very rough/erratic when the temperature outisde is cold (i.e. 32 degrees or below). I can hold the idle up, 1500 rpm, via the peddle and it will be fine. But when I let off, it will almost die and then idle varies between 700 to almost stalling. Once the engine is warmed up, it will idle fine.1994 Chevy 6.5L TD, (S) L56 2500 LD ext cab, 4L80-E trans, 3.73, LT265/75R/16, 168,000 mi. new ignition switch, new ops, new VSSB, new input & output vss, new HD PMD, de-snorkeled & de-webbed, TCC lock-up mod, OPS relay mod, High Idle switch, boost and pyro gauges on A-Pillar, boost fooler New injectors and 60g glow plugs as of 168,452The truck still runs rough, I called comp cams who recommended I time the truck between 10 and 20 degrees advanced for the cam they sold me. I have had the timing everywhere from 0 to 20 degrees advanced and it will run better or worse but never good no matter where the timing is set. There is a rough idle and a noticable vibration.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Dec 09, 2009 · I do know running a cold thermostat in these trucks can make them run rich to the point that so much carbon deposits get on the intake valves that is makes the engine misfire, idle rough and lack acceleration performance. It could be something very simple like a sensor that is supplying the ECM false readings. Nov 22, 2010 · I got a 1994 Chevy Blazer Silverado K 1500 Suburban is a 5.7 v8 my check engine light doesn't come on even after replacing the computer program to my VIN and marrying the key to it through the steps from the dealer. If I had gas directly to the throttle body in a run but not on its own. bronxcats Member Posts: 4. June 2006. My mechanic found the problem of why my 1997 Chevy s10 died suddenly while driving it. He said that the wire going to the ignition switch was rubbing against something and after 9 years of rubbing finally grounded/shorted out the wire. This must have been going on for 9 years.Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.A leak will cause a "lean mixture" condition, when the flammable fuel (carburetor cleaner or propane) comes in contact with the source of the vacuum leak the engine idle speed will raise as the engine has received "fuel". this method of finding a vacuum leak works but is not recommended as it can easily cause a fire. Sign in to replyThe truck still runs rough, I called comp cams who recommended I time the truck between 10 and 20 degrees advanced for the cam they sold me. I have had the timing everywhere from 0 to 20 degrees advanced and it will run better or worse but never good no matter where the timing is set. There is a rough idle and a noticable vibration.1995 chevy silverado wont idle and stalls when stopping. i have a 1995 silverado 5.7liter 350 engine, i replaced the motor,the other motor had 225,000plus miles. after replacing the motor it will not idle,and stalls out when stopping, also noticed that the motor surges, when applying the throttle it will rev up,but it will try to die off unless ...Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. So basically my truck has been running rough and running at idle at 500 but yesterday i started it it started jumping down to 400 then kick back up 1500 and when i stopped would run between 500 and 700 constantly jumping today i drove it put it in drive it almost sounds like it was going to just die, I put plugs in last tuesday they were autolite double platinums, and it didnt change anything ...There is often a backfire or two when this happens. Pumping the gas does not help. I basically have to crawl through any intersection until it picks up a bit of speed from idle. The truck idles smoothly, and it runs fine once it's above about 5-10mph or so. If moving at aThe Gen II 5.7L LT1 350 was released in 1991. It is the successor, in a way, to the Gen I LT1 350, although this engine was only produced from 1970-1972. There is also a Gen III LT1 which is a 6.2L EcoTec3 V8 produced from 2014 to the present. The LT1 was the predecessor to […]1994 S-10 4x4 pickup, 4.3L, VIN W. 215,000 on the truck, 40 or so on a GM crate engine. A week or 2 ago the truck started missing and surging anywhere but idle or wot. Starts fine, even today when it was -15, fuel pressure 52 running, holds after shut down, newer plugs/wires/cap rotor, tested MAP sensor and tests good, tested resistance changes ...Truck wouldn't stay running when leaving work today. It starts then dies after a couple of seconds. Had it towed to a friends where we pulled out the Chilton book and began troubleshooting. First thing we replaced was the fuel filter. It was 9 years old and when we blew into it there was a lot of...2,816 Posts. Discussion Starter · #1 · Jun 18, 2003. Only show this user. Alright, I have a 99' S-10 with the 2.2L and a 5 speed. It's got 118,000 miles on it and until now, has ran beautifuly. Heres the thing....the enigne will run smooth at idle then all of a sudden, it will stumble. It happens more extensively when the engine is warm.Apr 19, 2010 · Mayor: An expert whose answer got voted for 2 times. Contributor. 12 Answers. Re: Rough idle 1994 chevy pick up k1500 4x4. I had a 96 GMC 1500 with a 5.7 ltr. It would idle rough, especially on start up. After replacing everything under the sun, it turned out the ECM (computer) was shot. I found a used one and plugged it in and it ran fine. Oil pressure drops to zero when engine starts then goes to 60,while driving after warm,pressure drops down 4.3 V6 vortec engine The 4.3 engine should have 20 to 30 psi at idle cold and around 50 to 60 psi running down the road. Has this engine had regular oil changes? If not the problem could be sludge build up.Jun 20, 2012. #1. OK guys, I am out of ideas here on this truck. It is a 91 chevy truck with the 350 (5.7) with TBI. The truck has 190K miles on it and runs fine other than a misfire. It does it sometimes at idle when cold and does it just going down the road at 40-45mph when it gets into overdrive and is running in the 1500RPM range.An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable. Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.When your car engine runs as it should, everything should be smooth without any noise. When something thing goes wrong, the engine can start running rough, especially while idling. By understanding the causes of a car engine that has a rough idle, you can resolve the issue easily. Here are ten of the most common causes for a rough engine idle.1995 chevy silverado wont idle and stalls when stopping. i have a 1995 silverado 5.7liter 350 engine, i replaced the motor,the other motor had 225,000plus miles. after replacing the motor it will not idle,and stalls out when stopping, also noticed that the motor surges, when applying the throttle it will rev up,but it will try to die off unless ...The engine runs lean or rich. Engine drags or hesitates when idle or under load. Engines RPMs fluctuate; Poor MPG; How to Replace Chevy MAF Sensor. Changing the mass airflow sensor on a Chevrolet is very easy and takes less than 30 minutes. MAF sensor is located near the air filter housing, as shown in the following picture. What you will need 94 Blazer 4.3L Vortex - The previous owner had a Longblock installed in this blazer, there is approximently 15K miles on this engine according to the shop paper work that replace the motor. When the engine is cold, it runs as smooth as glass, but when the engine starts to get warm, the idle is rough, as though it has a miss or a stumble.The rough smoky cold starts may be a combination of inoperative cold advance and weak GP's. ... 1994 Chevy K1500 Z71, 6.5L TD :sfa: 145,000 miles, bumper mount PMD, ... "still running" 1994 GMC SLE C1500 SWB CrewCab 6.5TD/4L80e weekend toy currently scattered in pieces awaiting it's turn ...I have a 91 Chevy 350 TBI in my truck. I few weeks ago this weird problem came up, when I go to start it, it would fire then die. When I step on the gas a bit it will run but idle really rough. When I turn the engine off and cycle the ignition and start it, it will start like normal, rev up a bit and settle into a high idle.1994 chevrolet corsica Technical Service Bulletins (TSBs). Check for technical service bulletins (TSBs) on your vehicle by make, model, and year. In this video I show you how I diagnosed a poor running 2001 GMC Yukon when the engine is cold. This is a very common problem on all GM V8's. The lower intak...94 Blazer 4.3L Vortex - The previous owner had a Longblock installed in this blazer, there is approximently 15K miles on this engine according to the shop paper work that replace the motor. When the engine is cold, it runs as smooth as glass, but when the engine starts to get warm, the idle is rough, as though it has a miss or a stumble.The truck will continue to run rough even when warm and at a stop light the idle will drop to almost wanting to stall but then will surge back up and then drop to almost stalling and so on until i start driving again. 1998 Chevy Truck Rough idle OBD Code P0300-Random Misfire normally results from vacuum leaks or bad fuel. 2. Inspect all Fuel injectors-- Dirty or Worn Fuel Injectors can cause rough idles as well. inspect accordingly. 3. Inspect the Idle Air Control Valve-- Damaged, Loose, or Faulty Idle Air Control Valves will cause rough idle. 4. Inspect the idle speed actuator-- It could be loose or faulty. 5. Sway bars are actually torsion springs, and can indeed have an effect on your Chevrolet C- and K-Series Truck suspension's spring rate during cornering and on rough roads. Adding aftermarket Chevrolet C- and K-Series Truck sway bars, also popularly known as "anti-roll bars," is a great way to improve the overall handling of your ride. These ... SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. Jul 29, 2007 · 1994 chevy truck 350 cid with tbi. 62000 miles. Truck run perfect when cold but after it warms up it backfires though the intake bad and has no … read more Gary Chevy Technician Vocational, Technical or Tra... 9,659 satisfied customers Chevrolet Suburban 1500: Have a suburban 350 tbi and it is Have a suburban 350 tbi and it is idling rough. 1994-2004 Chevy S10 common problems include intermittent starting, an S10 that won't start after sitting, an S10 that turns over but won't start, and other issues like fuel pump problems. Find out their symptoms, causes and fixes as we explore the top problems on the 2nd generation of Chevy S10 trucks , also known as the Chevy S-10 or Chevy ...Hi I have a 1994 k1500 350 tbi and have been chasing a problem with intermittent rough idle and low idle in gear runs fine when reved and going down the road and I can also hear a quiet muffled backfire through the exhaust at idle that is also intermittent. Help would be greatly appreciated Answered in 2 minutes by:May 21, 2020 · Reasons for a Rough Idle or High RPM. 1) Bad Spark Plugs. 2) Bad Ignition Coils/Wires. 3) Vacuum Leak. 4) Carburetor Issues. 5) Dirty Fuel Injector. 6) Clogged Air Filter. 7) Bad Idle Air Control Valve. 8) Incorrect Cam Timing. Tracking down specific classic GMC truck parts for sale can be as simple as entering your information into the Add My Vehicle tool. If you own a 1955 Cameo Carrier, a 1973 Square Body, a 1994 S-10 or dozens of other famous models, Eckler's has parts for it in-stock. If you want to shop by generation, such as tracking down 88-98 Chevy truck ... Classic Cars for Sale. 1948 Cadillac $21,995. Series 62. CLEAN VINTAGE CADILLAC SURVIVOR W/ REPAINT! BELIEVED ORIG 346 V8, AUTO, NICE! Stock # 5166-DFW. 1948 Cadillac $29,995. Series 62. BEAUTIFUL CADDY SERIES 62, 346 L HEAD V8, 4-SPEED AUTO TRANS, CLASSIC LUXURY!! Rough Idle and spark knock, have done the following, Timing chain and gears, re-timed, cap, rotor, plugs, wires, EGR valve, EGR valve solenoid, fuel filter. It started when I was slowing down from the interstate, noticed spark knock, and a rough idle thought maybe bad gas, put in 104 octane, no difference.Engine stalling is more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine stalling problem, often means the engine is not getting enough, fuel and/or too much air. Engine stalling problems, can be caused by almost anything, but are usually sensor related.Chevrolet truck. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. 1. Check to make sure your check engine light is not on, or that it is on with the key on butClassic Cars for Sale. 1948 Cadillac $21,995. Series 62. CLEAN VINTAGE CADILLAC SURVIVOR W/ REPAINT! BELIEVED ORIG 346 V8, AUTO, NICE! Stock # 5166-DFW. 1948 Cadillac $29,995. Series 62. BEAUTIFUL CADDY SERIES 62, 346 L HEAD V8, 4-SPEED AUTO TRANS, CLASSIC LUXURY!! My 2002 Suburban idles very rough/erratic when the temperature outisde is cold (i.e. 32 degrees or below). I can hold the idle up, 1500 rpm, via the peddle and it will be fine. But when I let off, it will almost die and then idle varies between 700 to almost stalling. Once the engine is warmed up, it will idle fine.1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.Specifically, the lawsuit claimed the active fuel management (AFM) system ...Jun 20, 2012. #1. OK guys, I am out of ideas here on this truck. It is a 91 chevy truck with the 350 (5.7) with TBI. The truck has 190K miles on it and runs fine other than a misfire. It does it sometimes at idle when cold and does it just going down the road at 40-45mph when it gets into overdrive and is running in the 1500RPM range.Chevy S10 Rough Idle Causes. Hopefully, the check engine light is on. It can tell you a lot about what is going on with your S10. You can either go to the local parts store and ask them to scan the vehicle for you, or you can do this yourself.94 Blazer 4.3L Vortex - The previous owner had a Longblock installed in this blazer, there is approximently 15K miles on this engine according to the shop paper work that replace the motor. When the engine is cold, it runs as smooth as glass, but when the engine starts to get warm, the idle is rough, as though it has a miss or a stumble.hello, i have a 03 chevy express 3500 auto 6.0 180000 miles well taken care of problem is when its cold outside and on start up runs rough and gradully smooths out after its warm .the only code i have is p0101 and i just pulled the air box apart and cleaned the mass air sensor with electric spray c... Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. When your truck engine is cranking but won’t run or start, then it could mean your truck engine is facing trouble producing a strong spark, or getting fuel, or creating compression. The most common causes for this problem are ignition problems like a bad ignition coil or fuel system problems like clogged fuel filters. 3. my 91 chevy had a similar problem it would run fine when it was cold but soon as hit about 160 it would start missing popping stalling and run very rich after about 2 days of working on it I found the coolant temp sensor up top by the t-stat housing was bad about a $15 part.The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable. Chevy Truck Talk & GM News. 1989 suburban tbi 350 initial cold start runs rough. Jump to Latest Follow ... Daily_Project Status: It's been an on/ off affair for years. 1994 Chev astro awd 4.3l 700R. It keeps coming back to me, so I guess I'll do something fun with it. Like putting it on a 4* 1500 chassis under it whilst adding a 5.7, the vett ...The manufacturer has not yet provided a notification schedule. GM's number for this recall is 17035. Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. MORE RECALL INFO. Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Jun 20, 2012. #1. OK guys, I am out of ideas here on this truck. It is a 91 chevy truck with the 350 (5.7) with TBI. The truck has 190K miles on it and runs fine other than a misfire. It does it sometimes at idle when cold and does it just going down the road at 40-45mph when it gets into overdrive and is running in the 1500RPM range.Chevy 6.0 Engine Problems. The 6.0L Vortec "6000" engine was introduced in 1999 and remained in production until 2019 when it was replaced by the 6.2L Vortec. The Chevy 6.0 is a small-block V8 engine that produces 300hp-345hp and 360tq-380tq, depending on the engine version. The 6.0 engine had nine variations over its 20 year life span.Friends 1994 Chevy ext 1500 350 TBI auto approx. 18,000 on rebiuld. Starts and idles good. After up to operating temp while in gear and apply a load it begins to run rough. Says if he stomps on it from a stop sign it seems to go through the bad area but easing into it it is rough.Tracking down specific classic GMC truck parts for sale can be as simple as entering your information into the Add My Vehicle tool. If you own a 1955 Cameo Carrier, a 1973 Square Body, a 1994 S-10 or dozens of other famous models, Eckler's has parts for it in-stock. If you want to shop by generation, such as tracking down 88-98 Chevy truck ... When the cars idle gets rough, it hard to comprehend the related causes. It is because rough idle when warm can either be caused by one faulty component or through series of problems.. However, it is easy to recognize the problem, as during rough idling either the engine would run at an irregular rate or it may have varying RPMs without your foot on the gas pedal.The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable.The manufacturer has not yet provided a notification schedule. GM's number for this recall is 17035. Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. MORE RECALL INFO. Mar 03, 2013 · I bought a newer work truck yesterday, an 05 Chevrolet Avalanche; 5.3 motor auto trans, 4WD. In good condition, but the truck has that smell of a vehicle that runs really rich, like the old carbureted vehicles smell when the choke is on. Everything looks stock under the hood with the... The rough smoky cold starts may be a combination of inoperative cold advance and weak GP's. ... 1994 Chevy K1500 Z71, 6.5L TD :sfa: 145,000 miles, bumper mount PMD, ... "still running" 1994 GMC SLE C1500 SWB CrewCab 6.5TD/4L80e weekend toy currently scattered in pieces awaiting it's turn ...The truck will continue to run rough even when warm and at a stop light the idle will drop to almost wanting to stall but then will surge back up and then drop to almost stalling and so on until i start driving again. 1998 Chevy Truck Rough idle OBD Code P0300-Random Misfire normally results from vacuum leaks or bad fuel. Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. 1994 Chevrolet K1500 4.3L Rough Idle at Startup Hello Cartalk, I have a 1994 Chevy 4.3L vortec that will have a rough idle and wants to stall out for about the first 30 seconds after start up. Appears to only do it when the motor is cold, but will have slight hesitation starting up when it is warm.The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable.The rough smoky cold starts may be a combination of inoperative cold advance and weak GP's. ... 1994 Chevy K1500 Z71, 6.5L TD :sfa: 145,000 miles, bumper mount PMD, ... "still running" 1994 GMC SLE C1500 SWB CrewCab 6.5TD/4L80e weekend toy currently scattered in pieces awaiting it's turn ...1998 chevy 3500 dump truck with lift gate. 454 gas motor, manual 5 speed has granny gear, runs down the road just fine. Lift gate has remote control upgrade. Lift gate has remote control upgrade. No I dont know the lift gate capacity but it picked up two old fat guys and a piano with no hesitation. Chevy 4.3 engine are known for making bad throttle control switches (TCS) and Idle air control valves (IAC), which would cause all these problems. Idle Air Control Valve and Throttle Conrtol Switch. Open up the hood and look at all the wires, spark plugs, tubes, vacuum lines and valves. Look for corrosion, breaks, exposed wires and loose ...A leak will cause a "lean mixture" condition, when the flammable fuel (carburetor cleaner or propane) comes in contact with the source of the vacuum leak the engine idle speed will raise as the engine has received "fuel". this method of finding a vacuum leak works but is not recommended as it can easily cause a fire. Sign in to replyTruck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest FollowThe engine runs lean or rich. Engine drags or hesitates when idle or under load. Engines RPMs fluctuate; Poor MPG; How to Replace Chevy MAF Sensor. Changing the mass airflow sensor on a Chevrolet is very easy and takes less than 30 minutes. MAF sensor is located near the air filter housing, as shown in the following picture. What you will need E85 is a blend of ethanol (85%) and gasoline (15%) Ethanol cools your engine more so than full gasoline would. Testing/keeping the correct mixture in your fuel tank isn’t difficult. E85 reduces the risk of detonation because of its cooling properties. This cooling aspect makes running superchargers or turbochargers safer. Apr 19, 2010 · Mayor: An expert whose answer got voted for 2 times. Contributor. 12 Answers. Re: Rough idle 1994 chevy pick up k1500 4x4. I had a 96 GMC 1500 with a 5.7 ltr. It would idle rough, especially on start up. After replacing everything under the sun, it turned out the ECM (computer) was shot. I found a used one and plugged it in and it ran fine. Nov 22, 2010 · I got a 1994 Chevy Blazer Silverado K 1500 Suburban is a 5.7 v8 my check engine light doesn't come on even after replacing the computer program to my VIN and marrying the key to it through the steps from the dealer. If I had gas directly to the throttle body in a run but not on its own. Mar 03, 2013 · I bought a newer work truck yesterday, an 05 Chevrolet Avalanche; 5.3 motor auto trans, 4WD. In good condition, but the truck has that smell of a vehicle that runs really rich, like the old carbureted vehicles smell when the choke is on. Everything looks stock under the hood with the... 1998 chevy 3500 dump truck with lift gate. 454 gas motor, manual 5 speed has granny gear, runs down the road just fine. Lift gate has remote control upgrade. Lift gate has remote control upgrade. No I dont know the lift gate capacity but it picked up two old fat guys and a piano with no hesitation. hello, i have a 03 chevy express 3500 auto 6.0 180000 miles well taken care of problem is when its cold outside and on start up runs rough and gradully smooths out after its warm .the only code i have is p0101 and i just pulled the air box apart and cleaned the mass air sensor with electric spray c... E85 is a blend of ethanol (85%) and gasoline (15%) Ethanol cools your engine more so than full gasoline would. Testing/keeping the correct mixture in your fuel tank isn’t difficult. E85 reduces the risk of detonation because of its cooling properties. This cooling aspect makes running superchargers or turbochargers safer. Apr 19, 2010 · Mayor: An expert whose answer got voted for 2 times. Contributor. 12 Answers. Re: Rough idle 1994 chevy pick up k1500 4x4. I had a 96 GMC 1500 with a 5.7 ltr. It would idle rough, especially on start up. After replacing everything under the sun, it turned out the ECM (computer) was shot. I found a used one and plugged it in and it ran fine. Recently my 5.3L has been giving a rough idle on cold start only, no drivability issues. It starts fine, goes to 900/1000RPM as usual and after a few seconds it starts to stumble. The RPMs drop to 500 and bounces to 700 for a few seconds, 5-10 maybe. Then it slowly starts to clear out. the...Few things are as annoying as turning the key in your truck and finding it will not start. There are many problems that can result in a Chevy Silverado's failure to start, making diagnosing the trouble even more frustrating. Depending upon how the failure occurs, you can check for several basic problems before ...10-Year/Million Mile Limited Warranty. DESCRIPTION. Mandel-bent aluminum cold air intake kit feature a lightweight, polished aluminum tube paired with an oversized oiled cotton High-Flow Air Filter™ and steel heat shield. TUBE MATERIAL/FINISH. Lightweight aluminum tube; polished and powder-coated finishes. My truck was still not running well yesterday either. This morning I pulled the dist cap, sanded down the contacts/ rotor, aired it out a bit with some comp air, re-set the ECU, and now it runs fine. I should probably change the spark plug wires as they look original, but the Lexus dealer wants $200. slow91fj90.So basically my truck has been running rough and running at idle at 500 but yesterday i started it it started jumping down to 400 then kick back up 1500 and when i stopped would run between 500 and 700 constantly jumping today i drove it put it in drive it almost sounds like it was going to just die, I put plugs in last tuesday they were autolite double platinums, and it didnt change anything ...The truck will continue to run rough even when warm and at a stop light the idle will drop to almost wanting to stall but then will surge back up and then drop to almost stalling and so on until i start driving again. 1998 Chevy Truck Rough idle OBD Code P0300-Random Misfire normally results from vacuum leaks or bad fuel. Mar 03, 2013 · I bought a newer work truck yesterday, an 05 Chevrolet Avalanche; 5.3 motor auto trans, 4WD. In good condition, but the truck has that smell of a vehicle that runs really rich, like the old carbureted vehicles smell when the choke is on. Everything looks stock under the hood with the... 2001 Chevy Silverado Truck Question: I can start my truck and it dies if i keep giving it gas it will stay on but as soon as let off the gas the Silverado dies. Answer: You could have a couple different issues that are causing your problem. There may a restriction in the intake path that won't let the truck idle normally, such as a dirty air ... 10-Year/Million Mile Limited Warranty. DESCRIPTION. Mandel-bent aluminum cold air intake kit feature a lightweight, polished aluminum tube paired with an oversized oiled cotton High-Flow Air Filter™ and steel heat shield. TUBE MATERIAL/FINISH. Lightweight aluminum tube; polished and powder-coated finishes. There is often a backfire or two when this happens. Pumping the gas does not help. I basically have to crawl through any intersection until it picks up a bit of speed from idle. The truck idles smoothly, and it runs fine once it's above about 5-10mph or so. If moving at aWhat I have done since having the truck: 1) Removed all ******* stickers and made it look neater 2) Oil change 3) Air filter change 4) New battery and battery cables 5) Bolted down the tool box in the bed 6) Topped off the air pressure in the tires As you can see I dont treat this truck like crap. Can you guys help me out?Dec 09, 2009 · I do know running a cold thermostat in these trucks can make them run rich to the point that so much carbon deposits get on the intake valves that is makes the engine misfire, idle rough and lack acceleration performance. It could be something very simple like a sensor that is supplying the ECM false readings. Dec 22, 2017 · On cold start the timing is advanced so much that you cannot see the timing mark on the balancer and it is firing radically (based on the light) at #1 wire. As the engine starts to warm (30 to 45 seconds) the timing comes back to what I would say is normal at cold running condition and the engine smoothes out and idles perfect. 1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.Specifically, the lawsuit claimed the active fuel management (AFM) system ...A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.hello, i have a 03 chevy express 3500 auto 6.0 180000 miles well taken care of problem is when its cold outside and on start up runs rough and gradully smooths out after its warm .the only code i have is p0101 and i just pulled the air box apart and cleaned the mass air sensor with electric spray c... Truck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest Followbronxcats Member Posts: 4. June 2006. My mechanic found the problem of why my 1997 Chevy s10 died suddenly while driving it. He said that the wire going to the ignition switch was rubbing against something and after 9 years of rubbing finally grounded/shorted out the wire. This must have been going on for 9 years.1994 Chevrolet K1500 4.3L Rough Idle at Startup Hello Cartalk, I have a 1994 Chevy 4.3L vortec that will have a rough idle and wants to stall out for about the first 30 seconds after start up. Appears to only do it when the motor is cold, but will have slight hesitation starting up when it is warm.A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.E85 is a blend of ethanol (85%) and gasoline (15%) Ethanol cools your engine more so than full gasoline would. Testing/keeping the correct mixture in your fuel tank isn’t difficult. E85 reduces the risk of detonation because of its cooling properties. This cooling aspect makes running superchargers or turbochargers safer. 1994 chevrolet corsica Technical Service Bulletins (TSBs). Check for technical service bulletins (TSBs) on your vehicle by make, model, and year. The truck will continue to run rough even when warm and at a stop light the idle will drop to almost wanting to stall but then will surge back up and then drop to almost stalling and so on until i start driving again. 1998 Chevy Truck Rough idle OBD Code P0300-Random Misfire normally results from vacuum leaks or bad fuel. Few things are as annoying as turning the key in your truck and finding it will not start. There are many problems that can result in a Chevy Silverado's failure to start, making diagnosing the trouble even more frustrating. Depending upon how the failure occurs, you can check for several basic problems before ...it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.1994-2004 Chevy S10 common problems include intermittent starting, an S10 that won't start after sitting, an S10 that turns over but won't start, and other issues like fuel pump problems. Find out their symptoms, causes and fixes as we explore the top problems on the 2nd generation of Chevy S10 trucks , also known as the Chevy S-10 or Chevy ...Chevrolet truck. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. 1. Check to make sure your check engine light is not on, or that it is on with the key on butMay 21, 2020 · Reasons for a Rough Idle or High RPM. 1) Bad Spark Plugs. 2) Bad Ignition Coils/Wires. 3) Vacuum Leak. 4) Carburetor Issues. 5) Dirty Fuel Injector. 6) Clogged Air Filter. 7) Bad Idle Air Control Valve. 8) Incorrect Cam Timing. Classic Cars for Sale. 1948 Cadillac $21,995. Series 62. CLEAN VINTAGE CADILLAC SURVIVOR W/ REPAINT! BELIEVED ORIG 346 V8, AUTO, NICE! Stock # 5166-DFW. 1948 Cadillac $29,995. Series 62. BEAUTIFUL CADDY SERIES 62, 346 L HEAD V8, 4-SPEED AUTO TRANS, CLASSIC LUXURY!! Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. 2. Inspect all Fuel injectors-- Dirty or Worn Fuel Injectors can cause rough idles as well. inspect accordingly. 3. Inspect the Idle Air Control Valve-- Damaged, Loose, or Faulty Idle Air Control Valves will cause rough idle. 4. Inspect the idle speed actuator-- It could be loose or faulty. 5.Truck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest FollowIf your check engine light is on, you need to get your codes checked. Auto Zone and others will do this for free. If you ONLY have codes P1216, P1217, 35, 36 or any combination of those, you need just the PMD. If you have codes P0251 or PO370, 17, 18, or any combination of those, you should consider the injection pump suspect. Truck has 162K miles. The main problem is that the truck will start hard after sitting for 2+ hours and after it does fire it runs very rough and blows alot of white smoke for about 5 or so seconds(60 deg weather), after that the truck doesn't skip a beat and runs perfectly. The truck has always kinda started hard but one morning it got a lot ...Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. I'm experiencing a similar problem it's a 2001 mazda 323 bj sp20 2.0 dohc, it runs perfectly fine when it is cold has great power and as soon as it warms up to operating temperature it dramatically loses power to the point it crawls so slow it would be faster to walk, I have changed all the coils leads and spark plugs for brand new ones ...Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...Recently my 5.3L has been giving a rough idle on cold start only, no drivability issues. It starts fine, goes to 900/1000RPM as usual and after a few seconds it starts to stumble. The RPMs drop to 500 and bounces to 700 for a few seconds, 5-10 maybe. Then it slowly starts to clear out. the...2,816 Posts. Discussion Starter · #1 · Jun 18, 2003. Only show this user. Alright, I have a 99' S-10 with the 2.2L and a 5 speed. It's got 118,000 miles on it and until now, has ran beautifuly. Heres the thing....the enigne will run smooth at idle then all of a sudden, it will stumble. It happens more extensively when the engine is warm.FIXED! 1998 chevy k1500 5.7 vortec misfire was created by Steven1980. Can someone please help with what I should check next, I have a 1998 Chevy K1500 5.7 Vortec with a misfire, P0300 code for 3 months. runs a little rough, while driving under normal conditions it sputters, hesitates, and also will backfire, under heavy acceleration no ...2,816 Posts. Discussion Starter · #1 · Jun 18, 2003. Only show this user. Alright, I have a 99' S-10 with the 2.2L and a 5 speed. It's got 118,000 miles on it and until now, has ran beautifuly. Heres the thing....the enigne will run smooth at idle then all of a sudden, it will stumble. It happens more extensively when the engine is warm.The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.What I have done since having the truck: 1) Removed all ******* stickers and made it look neater 2) Oil change 3) Air filter change 4) New battery and battery cables 5) Bolted down the tool box in the bed 6) Topped off the air pressure in the tires As you can see I dont treat this truck like crap. Can you guys help me out?1994 Chevrolet K1500 4.3L Rough Idle at Startup Hello Cartalk, I have a 1994 Chevy 4.3L vortec that will have a rough idle and wants to stall out for about the first 30 seconds after start up. Appears to only do it when the motor is cold, but will have slight hesitation starting up when it is warm.2001 Chevy Silverado Truck Question: I can start my truck and it dies if i keep giving it gas it will stay on but as soon as let off the gas the Silverado dies. Answer: You could have a couple different issues that are causing your problem. There may a restriction in the intake path that won't let the truck idle normally, such as a dirty air ... Engine stalling is more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine stalling problem, often means the engine is not getting enough, fuel and/or too much air. Engine stalling problems, can be caused by almost anything, but are usually sensor related.The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable.1994 S-10 4x4 pickup, 4.3L, VIN W. 215,000 on the truck, 40 or so on a GM crate engine. A week or 2 ago the truck started missing and surging anywhere but idle or wot. Starts fine, even today when it was -15, fuel pressure 52 running, holds after shut down, newer plugs/wires/cap rotor, tested MAP sensor and tests good, tested resistance changes ...A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.my 91 chevy had a similar problem it would run fine when it was cold but soon as hit about 160 it would start missing popping stalling and run very rich after about 2 days of working on it I found the coolant temp sensor up top by the t-stat housing was bad about a $15 part.This will make for rough restarts. The way to find out is to put a fuel pressure gauge on it, get the truck up to temp and then shut it down and see how long it holds fuel pressure. It should hold it very well for a long time. If it falls off quickly then it is the fuel pump. For priming the fuel pump, btw, turning the key to run and pausing a ...Jun 20, 2012. #1. OK guys, I am out of ideas here on this truck. It is a 91 chevy truck with the 350 (5.7) with TBI. The truck has 190K miles on it and runs fine other than a misfire. It does it sometimes at idle when cold and does it just going down the road at 40-45mph when it gets into overdrive and is running in the 1500RPM range.El Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.The Gen II 5.7L LT1 350 was released in 1991. It is the successor, in a way, to the Gen I LT1 350, although this engine was only produced from 1970-1972. There is also a Gen III LT1 which is a 6.2L EcoTec3 V8 produced from 2014 to the present. The LT1 was the predecessor to […]View all 40 consumer vehicle reviews for the Used 1994 Chevrolet C/K 1500 Series on Edmunds, or submit your own review of the 1994 C/K 1500 Series. ... that runs in hot or cold, and is as reliable ...When your truck engine is cranking but won’t run or start, then it could mean your truck engine is facing trouble producing a strong spark, or getting fuel, or creating compression. The most common causes for this problem are ignition problems like a bad ignition coil or fuel system problems like clogged fuel filters. 3. El Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.Truck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest FollowHigh idle, rough idle; Hyundai runs rough, misfire codes; P2111 P2112; Rough idle – Ford; Rough idle when warm; Stalls but restarts; Surging idle on Honda vehicles; Top 10 rough idle causes; Toyota Camry won’t start; Vibration at idle – Jeep; What causes car stalling? Shudder. Shudder when turning; By Trouble Code. ABS Light on GM vehicle ... My 2002 Suburban idles very rough/erratic when the temperature outisde is cold (i.e. 32 degrees or below). I can hold the idle up, 1500 rpm, via the peddle and it will be fine. But when I let off, it will almost die and then idle varies between 700 to almost stalling. Once the engine is warmed up, it will idle fine.1990 Chevy Truck Idle Problem. Jump to Latest Follow ... then run it and see if it still does this, if it runs great (loud of course) then it could be your 'cat. OR, bang your 'cat converter some, to knock some of the debris loose, and run it and see if that changes the pitch any ... It will cause a rough idle at low rpms. would cause a stall ...The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.When your truck engine is cranking but won’t run or start, then it could mean your truck engine is facing trouble producing a strong spark, or getting fuel, or creating compression. The most common causes for this problem are ignition problems like a bad ignition coil or fuel system problems like clogged fuel filters. 3. The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.1998 chevy 3500 dump truck with lift gate. 454 gas motor, manual 5 speed has granny gear, runs down the road just fine. Lift gate has remote control upgrade. Lift gate has remote control upgrade. No I dont know the lift gate capacity but it picked up two old fat guys and a piano with no hesitation. 1995 chevy silverado wont idle and stalls when stopping. i have a 1995 silverado 5.7liter 350 engine, i replaced the motor,the other motor had 225,000plus miles. after replacing the motor it will not idle,and stalls out when stopping, also noticed that the motor surges, when applying the throttle it will rev up,but it will try to die off unless ...Chevy 6.0 Engine Problems. The 6.0L Vortec "6000" engine was introduced in 1999 and remained in production until 2019 when it was replaced by the 6.2L Vortec. The Chevy 6.0 is a small-block V8 engine that produces 300hp-345hp and 360tq-380tq, depending on the engine version. The 6.0 engine had nine variations over its 20 year life span.Chevy 4.3 engine are known for making bad throttle control switches (TCS) and Idle air control valves (IAC), which would cause all these problems. Idle Air Control Valve and Throttle Conrtol Switch. Open up the hood and look at all the wires, spark plugs, tubes, vacuum lines and valves. Look for corrosion, breaks, exposed wires and loose ...2. Inspect all Fuel injectors-- Dirty or Worn Fuel Injectors can cause rough idles as well. inspect accordingly. 3. Inspect the Idle Air Control Valve-- Damaged, Loose, or Faulty Idle Air Control Valves will cause rough idle. 4. Inspect the idle speed actuator-- It could be loose or faulty. 5.Truck cranks fine, accelerates great, cruises great, runs great when cold but as soon as it warms up it the idle stutters and falls and eventually it will... in this thread in this sub-forum in the entire site. ... 1994 Chevy s10 zr2 rough idle when warm. Jump to Latest FollowStrong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Mar 03, 2013 · I bought a newer work truck yesterday, an 05 Chevrolet Avalanche; 5.3 motor auto trans, 4WD. In good condition, but the truck has that smell of a vehicle that runs really rich, like the old carbureted vehicles smell when the choke is on. Everything looks stock under the hood with the... my 91 chevy had a similar problem it would run fine when it was cold but soon as hit about 160 it would start missing popping stalling and run very rich after about 2 days of working on it I found the coolant temp sensor up top by the t-stat housing was bad about a $15 part.The Gen II 5.7L LT1 350 was released in 1991. It is the successor, in a way, to the Gen I LT1 350, although this engine was only produced from 1970-1972. There is also a Gen III LT1 which is a 6.2L EcoTec3 V8 produced from 2014 to the present. The LT1 was the predecessor to […]Sway bars are actually torsion springs, and can indeed have an effect on your Chevrolet C- and K-Series Truck suspension's spring rate during cornering and on rough roads. Adding aftermarket Chevrolet C- and K-Series Truck sway bars, also popularly known as "anti-roll bars," is a great way to improve the overall handling of your ride. These ... The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine.A faulty MAF sensor can cause your vehicle to run too rich or run too lean.4 Common Reasons Why Your Engine May Be Idling Rough. 1. Vacuum Leak. Most vehicles have a maze of hoses throughout which create a vacuum for both fuel and air. In older engines with a carburetor, this vacuum pulls the fuel into the engine. Most newer vehicles, however, have a throttle to regulate engine speed and airflow through the system.1994 Chevrolet K1500 4.3L Rough Idle at Startup Hello Cartalk, I have a 1994 Chevy 4.3L vortec that will have a rough idle and wants to stall out for about the first 30 seconds after start up. Appears to only do it when the motor is cold, but will have slight hesitation starting up when it is warm.The truck still runs rough, I called comp cams who recommended I time the truck between 10 and 20 degrees advanced for the cam they sold me. I have had the timing everywhere from 0 to 20 degrees advanced and it will run better or worse but never good no matter where the timing is set. There is a rough idle and a noticable vibration.What I have done since having the truck: 1) Removed all ******* stickers and made it look neater 2) Oil change 3) Air filter change 4) New battery and battery cables 5) Bolted down the tool box in the bed 6) Topped off the air pressure in the tires As you can see I dont treat this truck like crap. Can you guys help me out?FEY Perfect Match Bumpers Includes direct fit mounting brackets. $432.00 to $1,012.00. View Details. Dec 09, 2009 · I do know running a cold thermostat in these trucks can make them run rich to the point that so much carbon deposits get on the intake valves that is makes the engine misfire, idle rough and lack acceleration performance. It could be something very simple like a sensor that is supplying the ECM false readings. 1994 GMC Jimmy engine runs rough when cold; smooths out when warm. 4.3 LTR VORTEC V6 engine runs rough when cold; smooths out when warm but then service engine light comes on and car will run for about another 10 minutes and will start stalling. it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. Hawkinsville Ga. Dec 27, 2012. #1. 1994 1500 5.7 TBI (3 year old Jasper engine - 20k miles). Background; Grandson drove truck 75 miles to my place backfiring and barely running. Truck had been overheated several months prior and I assume it was HOT.About 2 1/2 years ago my truck was running bad, had new plugs, wires and distributor replaced. ... I've got a 1994 chevy silverado with the 5.7 v8. ... Hi my name is Anthony I have a1992 chevy k1500 my truck started acting rough so I went to the shop and got the temp sensor replaced and a new fuel regulator I just replaced the fuel filter ...The manufacturer has not yet provided a notification schedule. GM's number for this recall is 17035. Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. MORE RECALL INFO. 1994 Infiniti Q45a 240000 Miles. ... that this only happens when it's cold, most MAF concerns are seen while cold, under load, or in conjunction with a rough idle conditions. ... My Nissan pathfinder starts and runs great when it's cold but after it gets to normal running temperature and you drive it then it starts skipping really bad and ...Hawkinsville Ga. Dec 27, 2012. #1. 1994 1500 5.7 TBI (3 year old Jasper engine - 20k miles). Background; Grandson drove truck 75 miles to my place backfiring and barely running. Truck had been overheated several months prior and I assume it was HOT.94 Blazer 4.3L Vortex - The previous owner had a Longblock installed in this blazer, there is approximently 15K miles on this engine according to the shop paper work that replace the motor. When the engine is cold, it runs as smooth as glass, but when the engine starts to get warm, the idle is rough, as though it has a miss or a stumble.94 Blazer 4.3L Vortex - The previous owner had a Longblock installed in this blazer, there is approximently 15K miles on this engine according to the shop paper work that replace the motor. When the engine is cold, it runs as smooth as glass, but when the engine starts to get warm, the idle is rough, as though it has a miss or a stumble.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. My truck was still not running well yesterday either. This morning I pulled the dist cap, sanded down the contacts/ rotor, aired it out a bit with some comp air, re-set the ECU, and now it runs fine. I should probably change the spark plug wires as they look original, but the Lexus dealer wants $200. slow91fj90.Chevrolet truck. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. 1. Check to make sure your check engine light is not on, or that it is on with the key on butHere is a very sharp custom built 1994 Chevy truck. This truck has a 1994 2500 Cab with 1997 model dash and grill and 1994 model bed. and rest of body like all 4 fenders and hood. The door are the doors that came on the 1994 Cab. It has 1997 running gear with the Vortec 350 engine that runs great and the 700R4 transmission that shifts great.Classic Cars for Sale. 1948 Cadillac $21,995. Series 62. CLEAN VINTAGE CADILLAC SURVIVOR W/ REPAINT! BELIEVED ORIG 346 V8, AUTO, NICE! Stock # 5166-DFW. 1948 Cadillac $29,995. Series 62. BEAUTIFUL CADDY SERIES 62, 346 L HEAD V8, 4-SPEED AUTO TRANS, CLASSIC LUXURY!! I'm experiencing a similar problem it's a 2001 mazda 323 bj sp20 2.0 dohc, it runs perfectly fine when it is cold has great power and as soon as it warms up to operating temperature it dramatically loses power to the point it crawls so slow it would be faster to walk, I have changed all the coils leads and spark plugs for brand new ones ...FIXED! 1998 chevy k1500 5.7 vortec misfire was created by Steven1980. Can someone please help with what I should check next, I have a 1998 Chevy K1500 5.7 Vortec with a misfire, P0300 code for 3 months. runs a little rough, while driving under normal conditions it sputters, hesitates, and also will backfire, under heavy acceleration no ...Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. Oil pressure drops to zero when engine starts then goes to 60,while driving after warm,pressure drops down 4.3 V6 vortec engine The 4.3 engine should have 20 to 30 psi at idle cold and around 50 to 60 psi running down the road. Has this engine had regular oil changes? If not the problem could be sludge build up.El Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...10-Year/Million Mile Limited Warranty. DESCRIPTION. Mandel-bent aluminum cold air intake kit feature a lightweight, polished aluminum tube paired with an oversized oiled cotton High-Flow Air Filter™ and steel heat shield. TUBE MATERIAL/FINISH. Lightweight aluminum tube; polished and powder-coated finishes. Engine stalling is more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine stalling problem, often means the engine is not getting enough, fuel and/or too much air. Engine stalling problems, can be caused by almost anything, but are usually sensor related.Hawkinsville Ga. Dec 27, 2012. #1. 1994 1500 5.7 TBI (3 year old Jasper engine - 20k miles). Background; Grandson drove truck 75 miles to my place backfiring and barely running. Truck had been overheated several months prior and I assume it was HOT.Rough Idle and spark knock, have done the following, Timing chain and gears, re-timed, cap, rotor, plugs, wires, EGR valve, EGR valve solenoid, fuel filter. It started when I was slowing down from the interstate, noticed spark knock, and a rough idle thought maybe bad gas, put in 104 octane, no difference.1994 chevy silverado k2500 4wd, 157000 mi. 5.7 TBI, runs rough and very when cold but then runs fine after warm up and 1994 chevy: 4wd..runs fine..Changed plugs, oil change, new o2 sensor… 1994 Chevy 1500 4+4 5.7. Cold start, rough,after it warms up 1994 Chevy 1500 4+4 5.7. Cold start, rough,after it warms up runs good? … read more AMEDEEAbout 2 1/2 years ago my truck was running bad, had new plugs, wires and distributor replaced. ... I've got a 1994 chevy silverado with the 5.7 v8. ... Hi my name is Anthony I have a1992 chevy k1500 my truck started acting rough so I went to the shop and got the temp sensor replaced and a new fuel regulator I just replaced the fuel filter ...1994 1500 5.7 Liter Engine Skipping/misfiring. bkwalker. 12-18-2005, 08:22 PM. My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the ...A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.I have a 91 Chevy 350 TBI in my truck. I few weeks ago this weird problem came up, when I go to start it, it would fire then die. When I step on the gas a bit it will run but idle really rough. When I turn the engine off and cycle the ignition and start it, it will start like normal, rev up a bit and settle into a high idle.An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.Mar 03, 2013 · I bought a newer work truck yesterday, an 05 Chevrolet Avalanche; 5.3 motor auto trans, 4WD. In good condition, but the truck has that smell of a vehicle that runs really rich, like the old carbureted vehicles smell when the choke is on. Everything looks stock under the hood with the... Classic Cars for Sale. 1948 Cadillac $21,995. Series 62. CLEAN VINTAGE CADILLAC SURVIVOR W/ REPAINT! BELIEVED ORIG 346 V8, AUTO, NICE! Stock # 5166-DFW. 1948 Cadillac $29,995. Series 62. BEAUTIFUL CADDY SERIES 62, 346 L HEAD V8, 4-SPEED AUTO TRANS, CLASSIC LUXURY!! A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate.Oil pressure drops to zero when engine starts then goes to 60,while driving after warm,pressure drops down 4.3 V6 vortec engine The 4.3 engine should have 20 to 30 psi at idle cold and around 50 to 60 psi running down the road. Has this engine had regular oil changes? If not the problem could be sludge build up.An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.1998 chevy 3500 dump truck with lift gate. 454 gas motor, manual 5 speed has granny gear, runs down the road just fine. Lift gate has remote control upgrade. Lift gate has remote control upgrade. No I dont know the lift gate capacity but it picked up two old fat guys and a piano with no hesitation. FEY Perfect Match Bumpers Includes direct fit mounting brackets. $432.00 to $1,012.00. View Details. SOURCE: 1994 Chevy Cavalier runs rough with a bunch of codes. 24 is speed sensor. Has no bering on a stationary car. 15 is the coolant sensor circuit. (which you already replaced) 66 is AC refridgerant. 19.... i have no idea. From what you have described, i would almost have to say it's the idle control sensor, or intake manifold vacuum leaks. Apr 19, 2010 · Mayor: An expert whose answer got voted for 2 times. Contributor. 12 Answers. Re: Rough idle 1994 chevy pick up k1500 4x4. I had a 96 GMC 1500 with a 5.7 ltr. It would idle rough, especially on start up. After replacing everything under the sun, it turned out the ECM (computer) was shot. I found a used one and plugged it in and it ran fine. Chevy 4.3 engine are known for making bad throttle control switches (TCS) and Idle air control valves (IAC), which would cause all these problems. Idle Air Control Valve and Throttle Conrtol Switch. Open up the hood and look at all the wires, spark plugs, tubes, vacuum lines and valves. Look for corrosion, breaks, exposed wires and loose ...Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. 1995 chevy silverado wont idle and stalls when stopping. i have a 1995 silverado 5.7liter 350 engine, i replaced the motor,the other motor had 225,000plus miles. after replacing the motor it will not idle,and stalls out when stopping, also noticed that the motor surges, when applying the throttle it will rev up,but it will try to die off unless ...Tracking down specific classic GMC truck parts for sale can be as simple as entering your information into the Add My Vehicle tool. If you own a 1955 Cameo Carrier, a 1973 Square Body, a 1994 S-10 or dozens of other famous models, Eckler's has parts for it in-stock. If you want to shop by generation, such as tracking down 88-98 Chevy truck ... Nov 22, 2010 · I got a 1994 Chevy Blazer Silverado K 1500 Suburban is a 5.7 v8 my check engine light doesn't come on even after replacing the computer program to my VIN and marrying the key to it through the steps from the dealer. If I had gas directly to the throttle body in a run but not on its own. When your truck engine is cranking but won’t run or start, then it could mean your truck engine is facing trouble producing a strong spark, or getting fuel, or creating compression. The most common causes for this problem are ignition problems like a bad ignition coil or fuel system problems like clogged fuel filters. 3. Papaw's Truck. My grandfather purchase this truck new in 1994. He used it for maintaining his wife's old homestead farm in Hebert Louisiana and as his daily driver. It was his replacement to his old 1984 Silverado. He always joked that the only difference in a Chevy and a GMC was $50 dollars worth of chrome. He passed away in 1999.it is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.FIXED! 1998 chevy k1500 5.7 vortec misfire was created by Steven1980. Can someone please help with what I should check next, I have a 1998 Chevy K1500 5.7 Vortec with a misfire, P0300 code for 3 months. runs a little rough, while driving under normal conditions it sputters, hesitates, and also will backfire, under heavy acceleration no ...Service type. Engine hesitates during acceleration Inspection. Estimate. $114.99. Shop/Dealer Price. $124.99 - $132.49. 2003 Chevrolet Silverado 1500 V8-5.3L. Service type. Engine hesitates during acceleration Inspection. The truck starts fine when cold or hot. While cold with the idle still on the high side it seems smooth and normal. Revving seems normal. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. When it gets to operating temperature and the idle drops more it is more noticeable. When the cars idle gets rough, it hard to comprehend the related causes. It is because rough idle when warm can either be caused by one faulty component or through series of problems.. However, it is easy to recognize the problem, as during rough idling either the engine would run at an irregular rate or it may have varying RPMs without your foot on the gas pedal.There is often a backfire or two when this happens. Pumping the gas does not help. I basically have to crawl through any intersection until it picks up a bit of speed from idle. The truck idles smoothly, and it runs fine once it's above about 5-10mph or so. If moving at ait is at its best idle (all the work ive done)ever.till it gets to running temp where it goes to crap chokes down repeatedly only running a few seconds.and getting harder to re crank.. Only driveable with both feet..brake and gas and shifting to nutral every stop revving to keep it going. And that still doesnt work well. Work ive done.Strong Work Truck 1994 Chevy Ext. Cab Z71 Off Road Ice Cold A/C 4X4 350 Fuel Ejection New Factory GM Transmission 23,515 miles ago (have receipt) New Tires No Oil Leaks Truck runs great, Hasn't left the neighborhood in years, I use it to put my boat in and out of the lake twice a year about a mile from home. El Paso, TX. Oct 18, 2011. #1. Hey all, I'm working on my friends dad's 92. It will fire occasionally then die. It will only run for a couple of seconds then die. I can keep it running by spraying carb cleaner in the throttle body. It is getting fuel but fuel pressure is questionable as I need to order the adapter to test fuel pressure.Ever since then I have noticed that the truck will run rough both at idle and under acceleration after it has run for a while, say a 15-20 mile trip, feels and sounds like a misfire. When it is cold, it runs fine and it never has an excessive crank time.Engine stalling is more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine stalling problem, often means the engine is not getting enough, fuel and/or too much air. Engine stalling problems, can be caused by almost anything, but are usually sensor related.Papaw's Truck. My grandfather purchase this truck new in 1994. He used it for maintaining his wife's old homestead farm in Hebert Louisiana and as his daily driver. It was his replacement to his old 1984 Silverado. He always joked that the only difference in a Chevy and a GMC was $50 dollars worth of chrome. He passed away in 1999.I have a 91 Chevy 350 TBI in my truck. I few weeks ago this weird problem came up, when I go to start it, it would fire then die. When I step on the gas a bit it will run but idle really rough. When I turn the engine off and cycle the ignition and start it, it will start like normal, rev up a bit and settle into a high idle.The Gen II 5.7L LT1 350 was released in 1991. It is the successor, in a way, to the Gen I LT1 350, although this engine was only produced from 1970-1972. There is also a Gen III LT1 which is a 6.2L EcoTec3 V8 produced from 2014 to the present. The LT1 was the predecessor to […]1990 Chevy Truck Idle Problem. Jump to Latest Follow ... then run it and see if it still does this, if it runs great (loud of course) then it could be your 'cat. OR, bang your 'cat converter some, to knock some of the debris loose, and run it and see if that changes the pitch any ... It will cause a rough idle at low rpms. would cause a stall ...Hawkinsville Ga. Dec 27, 2012. #1. 1994 1500 5.7 TBI (3 year old Jasper engine - 20k miles). Background; Grandson drove truck 75 miles to my place backfiring and barely running. Truck had been overheated several months prior and I assume it was HOT.When your truck engine is cranking but won’t run or start, then it could mean your truck engine is facing trouble producing a strong spark, or getting fuel, or creating compression. The most common causes for this problem are ignition problems like a bad ignition coil or fuel system problems like clogged fuel filters. 3. 1994 Infiniti Q45a 240000 Miles. ... that this only happens when it's cold, most MAF concerns are seen while cold, under load, or in conjunction with a rough idle conditions. ... My Nissan pathfinder starts and runs great when it's cold but after it gets to normal running temperature and you drive it then it starts skipping really bad and ...An internal combustion engine needs air, fuel, and spark in order to achieve ignition. When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. We'll cover the most common causes of rough idle below.