Thanks. This website uses cookies to improve your experience while you navigate through the website. overall, the 4.3 vortec is a very strong and reliable motor, proven by it being the longest lasting production vortec engine. Apparently these late 80's early 90's Chevy 350 TBIs are known for developing microcracks in the Distributor Shaft, which decreases magnetism and can cause this problem. As soon as it reaches operating temperature It acts like it's not getting enough fuel. When the vehicle is started cold it will not stay Chevy Silverado Rough Idle Causes. You also have the option to opt-out of these cookies. The underlying problem was the distributor. Our list of 17 known complaints reported by owners can help you fix your 1994 Chevrolet S10. This super clean 1989 S10 looks and drives great! 89 s10 has a high idle whats wrong with a 89 chevy s10 2.5 liter that has a high idle? I have a 1989 Chevy S10 Blazer 4.3L Fuel Injected, The problem I have is that it lately has been pushing around 4k RPM or more before it will shift gears. For the do-it-yourself mechanic, Many high-idle problems can be identified and remedied with some patient troubleshooting. (fast idle control device) valve. When driving sometimes (very sporadically) the engine will just stop running. 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. Get Your Car Fixed. Somtimes it wont do it at all. 9. changed bad fuel pump works well now strong pressure to throttle body. Truck idles at 600rpm. But  the problem progressed and pretty soon it had got to the point where when I start it I have to constantly pump the gas pedal to keep it running. This is my first start of this truck since around last november. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. I have a problem with my 1989 chevy S-10 Blazer, runs when given gas but stalls when @ a stop or idle. These cookies will be stored in your browser only with your consent. When you pull it out of the garage, make sure you have your sunglasses handy! it idles around 1500 to 1800 rpm and it is tearing the transmission apart. Chevy S10, look at the insulated tube that goes from the firewall to the intake manifold on top of the engine. Recently rebuilt the 454 in my 1990 TBI Burb. complained that it ran poorly when first started in the I have a 1989 v3500 chev crew cab with a 454. 1989 Chevrolet S10 2.5L Excessive Emissions, Poor Idle Quality, Surge, Stall Posted to GM Driveability on 8/14/2004 13 Replies Have had this vehicle for the past week. 1989 chevy s10 4.3L 4x4 (automatic)Truck idles and runs great when cold. In general the problem is that if you are driving, for example 60 MPH and the engine is running at 2000 RPM, and you take your foot off of the accelerator and push in the clutch the engine keeps running at whatever the RPM was before you pushed in the clutch. We’ll cover the most common causes of rough idle below. 7 Idle surging,stalling in the alt. A problem with the idle speed control circuit would be the most likely cause of stalling if the problem only occurs when the engine is idling or when the car comes to a stop after driving. 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. I am looking for some help in diagnosing an idle issue with my 96 S10. At idle, the valve blocks a small amount of air from entering the engine, keeping idle RPM’s low. Probably never inserted properly at the factory. Chevrolet S10 Idle Air Control Valve Your Chevrolet S-10 takes on rough roads with ease, but a rough-sounding idle is a sign of a possible problem with your Chevrolet S-10 idle air control valve. Choose top quality brands AC Delco, BWD Automotive, DIY Solutions, Delphi, Driveworks, Forecast, Replacement, Standard Motor … Very strange problem. Chevy S10 Stalling → Causes & Diagnosis | Drivetrain Resource and from 2nd to 3rd pretty much the same thing. Oxygen Sensors. The most common Chevy truck problems include brake issues and a knock in the steering column. The internal combustion engine is so complex that even the slightest I am not getting as good of fuel economy as I think I should. This must have been going on for 9 years. Shopping. No check engine light. We also use third-party cookies that help us analyze and understand how you use this website. Your Chevrolet S10 will be happy to know that the search for the right Idler Arm products you’ve been looking for is over! If the valve fails or has any issues it can cause the idle speed to be thrown off. As soon as it reaches operating temperature It acts like it's not getting enough fuel. I hope this helps someone in the future. My s10 ran rough at a idle til it warmed up and everything was fine. I … Find the most common driver-reported problems that are to blame when a Chevrolet S10 Blazer has a rough idle. 7L TBI and it runs great on 87 octane gas. The engine has a little over 500 miles on it. - o2 sensor ... Oh It's a 1989 v8 305 5.0 gmc vandura 2500. Power steering doesn't seem to affect it … I … This item seems to have fixed a major stalling and rough idle problem on my 1986 Chevy Astro Van. Search Fixya. A vehicle that old will suffer from brittle and cracked vacuum lines. I have a 1990 chevy s10 with the 4.3 89 S10 Idle Issue And 83 S10 Blazer With A Few Issues I Have A 1989 S10 With A 2.5l And Approximately 130000 Miles On It. Codes related to a P2534 trouble code … If your problem is with a 4 cyl. 2006 4.0 v6 Mustang 5spd erratically idles. It will have an erratic idle and when I take off from a light it slowly chokes it's way across the intersection. I have replaced the fuel filter (even though I did not think it was a problem) and the problems still exists. It was running fine a year ago but then it started to have a slight poor idle. But i had the same problem a couple of years ago. Chevy vortec 4300 (4.3l v6) engine reliability. ... P2534 P2534 code definition A P2534 trouble code indicates that the PCM has detected a problem in the ignition switch run position circuit. The idle control valve sits on the throttle body and is responsible for adjusting the amount of air that enters the engine at idle, ultimately controlling engine idle speeds. Sometimes after sitting overnight my 1998 s10 v6 4x4 manual transmission, will start up and in a split second lower the idle to almost nothing... sometimes it will stall out. ... Any other S10 owners out there had this problem?..91 S10 with a 2.8, 5 speed manual.... 0. fc760 Posts: 1. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 100,400mi. I have been reading it even though I have a 1994 S10 p/u with engine code W (CPI) that has a different fuel injector system. I have a 1989 S10 that's doing the same thing as the initial problem. I am having a terrible time with getting it to idle smooth. Insert the key into the ignition and start the engine. I have a 1991 Chevy S10 with the 4.3L V6 TBI. If playback doesn't begin shortly, try restarting your device. 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. The paint on this truck is gorgeous. I have a problem with my 1989 chevy S-10 Blazer, runs when given gas but stalls when @ a stop or idle.? Problem with your 1994 Chevrolet S10? This truck i have has a rough idle when im sitting in traffic for some time it starts to chug almost. Start the engine and take note of the idle RPMs. My 1997 S10 had issues with overheating; ... NEW the trucks would overheat if you were sitting IDLE in traffic for a long time. Realize it's probably at the end of his life span the two pressure tests a fuel pump a weak fuel pump will do that as can clogged up fuel injectors that you could try to have pressure cleaned. 8. 10. engine will idle very rough and die. Even at 210-220F in ... Answer to: Transmission problem with my 2005 Camry. This category only includes cookies that ensures basic functionalities and security features of the website. While there are a variety of reasons your Chevrolet S10 Blazer has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. Also, there are some good technical resources online. Several engine choices were used: the 2.2 and 2.5 liter four-cylinder gasoline motors, the 2.8 and 4.3 liter V-6 engines, and an early diesel. Find a nearby iATN member to repair your vehicle, Excessive Emissions, Poor Idle Quality, Surge, Stall. Somtimes it wont do it at all. midwest mobile mechanix. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. No knocking either. When one or more of these variables is off it can lead to a rough idling condition. Started stumbling at low throttle, stalling when I came to a stop or any low rpm activity. CarKiller.com copyright © 2020 all rights reserved. - Chevrolet 1989 S-10 Blazer question. 1999 Chevy s10 2.2l. But I did have a similar problem once upon a time. Find the most common issues based on car owner complaints. The Chevrolet S10 truck series was manufactured between 1982 and 2003, and included the S-15, GMC Jimmy and Blazer variants. A faulty alternator can fast idle issues; if so, replace it. The Engine light came on and stayed on full time. Occasional no start and stalling, usually when cold. Turned out to be a sticking EGR valve. Problems / Chevrolet / S10 / 1994; 1994 Chevrolet S10 Problems. Have had this vehicle for the past week. Checked for vaccuum leaks, reset base idle, tested sensor components, ran Win aldl diagnostics, could not get it to run right. Don't forget to check the hose going to the PCV on the valve cover. The best part is, our Chevrolet S10 Idler Arm products start from as little as $25.32. This may result in an unusually high or low idle speed, or in some cases a surging idle speed that repeatedly climbs and falls. Very strange problem. 1994 Chevy S10 4 3 Vortec Tbi Rough Idle Problem Youtube A common cause for a misfire or rough idle on the vortec 4.3 engine. Idles at 1000 until the temp gauge starts to move, then drops to 600. Advance Auto Parts has 13 different Idler Arm for your vehicle, ready for shipping or in-store pick up. running unless you keep your foot on the throttle, the If it wiggles it needs to be replaced. I have spent countless hours going over the engine looking for vacuum leaks and believe every thing is OK on that front. ... Now bite the bullet and enable a save diagnose and attach it. Sometimes after sitting overnight my 1998 s10 v6 4x4 manual transmission, will start up and in a split second lower the idle to almost nothing... sometimes it will stall out. The high idle was a vacuum leak - the gasket between the TBI and the intake manifold was bad. It is mandatory to procure user consent prior to running these cookies on your website. But I did have a similar problem once upon a time. These cookies do not store any personal information. 2. An internal combustion engine needs air, fuel, and spark in order to achieve ignition. I have a 1989 Chevy S10, it has an automatic transmission with 120,000 miles. The oxygen sensors that are equipped in your Chevy S10 are responsible for monitoring the exhaust to help the ECU determine the correct air/fuel mixture. Get out of here with that cra... Summary: (Question below) I don't know what to do about it or what could be causing the problem. ? But opting out of some of these cookies may affect your browsing experience. The engine is revving up and down when I come down to an idle. The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. This truck i have has a rough idle when im sitting in traffic for some time it starts to chug almost. It would surge some, and the gas pedal felt intermittent. The part helps your truck maintain a consistent idle even as the engine takes on extra work. SOURCE: 1991 S10 2.5L throttle body idles to fast. Check Engine Light comes on Customer It’s readily accessible, often the problem, and super cheap and easy to replace. Close. Average failure mileage is 180,000 miles. The other problem is that after it is warm when you revv the engine it stays at high idel for several seconds after you let off the throtel. 1989 Chev 1500 4.3l V6 Std 2wd, Very High Idle On Cold Starts, Rev's Between Shifting, Calms Down When Warm, Rough Idle. If ... 1989 Chevrolet S10 2.5L Excessive Emissions, Poor Idle Quality, Surge, Stall, To view the related documents & media you must. I have checked all vacum lines and replaced the oxygen sensor on the exaust, also replaced the intake manafold gasket and the Idle air control IAC, I have run OB1 diagnostic and only code 12 present. 163 Answers. Of all the sensors equipped in your vehicle, the O2 sensors may have it the hardest. Wait a minute for the engine idle to level off, then use a pen and paper to write down the RPMs that your engine settles and idles at. 2016 Camry with 80k miles wanders on the highway, By WeMissScottyHereInHouston, 40 mins ago, RE: Should I buy this 1990 Mustang as a first muscle car. Hopefully, the check engine light is on. rough idle and power loss idle is erratic at times and nearly dies, when revved up while idle - Chevrolet 1994 S-10 question I have a 1989 chevy s10 that has two problems, when started it idels at high idel for about five seconds and then goes to the proper idel this happens every time you start it even when at running temp. Average failure mileage is 180,000 miles. Buy a 1989 Chevrolet S10 Idle Control Valve at discount prices. I was able to start it with no problem … morning. You may need to let the engine run for a few minutes in order for it to come down to its normal idle speed. Other solutions, though, are best performed by a service shop. Nobody gets a V6 Mustang. you were just spouting off c... Answer to: Should I buy this 1990 Mustang as a first muscle car. The underlying problem was the distributor. There are quite a few reasons why your Chevy S10 could be idling rough. 94 s10 4x4 4.3L TBI. Worst 1989 Chevrolet Blazer Problems #1: Engine Stalls At Idle 1989 Blazer Average Cost to Fix: N/A Average Mileage: 70,000 mi. I was able to start it with no problem and it would stay running. The 1989 Chevrolet Caprice has 1 problems reported for high idle and stalls when put in gear. When the problem first began, it felt like just bad gas. When one or more of these variables is off it can lead to a rough idling condition. Fast idle and idle control is determined by the air regulator, the Auxiliary Air Control (AAC) valve and the F.I.C.D. Answer Save. I have been reading it even though I have a 1994 S10 p/u with engine code W (CPI) that has a different fuel injector system. Autozone codes say cylinder 1 misfire (301). While there are a variety of reasons your Chevrolet S10 has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. Idle jumps for a sec with A/C switch, but goes right back to 600. All rights reserved. I have a 1989 v3500 chev crew cab with a 454. Started stumbling at low throttle, stalling when I came to a stop or any low rpm activity. 1989 Chevrolet S10 2.5L Excessive Emissions, Poor Idle Quality, Surge, Stall Posted to GM Driveability on 8/14/2004 13 Replies Have had this vehicle for the past week. Chevrolet S10 Blazer Engine idle speed is high Inspection at your home or office. It got so bad that it would cut out at traffic lights. Choose top quality brands AC Delco, BWD Automotive, DIY Solutions, Delphi, Driveworks, … I hope this helps someone in the future. Re: 95 Chevy S-10 4.3L TBI - Idle troubles Interesting thread. Our list of 35 known complaints reported by owners can help you fix your Chevrolet S10. ... Yea about 120C with 50/50 coolant. Apparently these late 80's early 90's Chevy 350 TBIs are known for developing microcracks in the Distributor Shaft, which decreases magnetism and can cause this problem. So it's sat about 6 months. rough idle, stalling, loss of power. The RPM on my engine does not come down when I come to an idle. The high idle was a vacuum leak - the gasket between the TBI and the intake manifold was bad. 4 Answers. By clicking “Accept”, you consent to the use of ALL the cookies. Turned out to be a sticking EGR valve. You're signed out. I would say there is a bad, or several bad lines leaking away vacuum from the intake manifold. 1989 chevy s10 4.3L 4x4 (automatic)Truck idles and runs great when cold. The first thing I did (when I managed to limp it back home) was change out my fuel filter, but that didn't fix the problem. Re: 95 Chevy S-10 4.3L TBI - Idle troubles Interesting thread. A bad idle-speed control unit can cause the problem; it may need to be replaced. It goes into gear just fine, reverse works fine, but shifting from 1st to 2nd gear, it really revs up high on the RPM before it shifts, sometimes just right at the redline. I replaced many things to find out it was my egr valve from carbon build up. Ford Triton V10 RV trouble codes leading me in circles. It has a new cpi unit and lines, new fuel pump, engine only has 20k on it, It also has a newer cap and rotor that i replaced with the plugs and wires(all delco parts). Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Copyright ©1995-2021 iATN. As shown in the picture, these items are located at the back left (right if your standing in front of the car) of the engine, behind the inlet manifold. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Once you begin to use the accelerator, it opens up allowing full air flow. Necessary cookies are absolutely essential for the website to function properly. Chevy S10 Stalling Problem Causes. I have a 1999 Ford Triton ... you gave vague details, asked for free advice and you g... You can buy a full set of chrome plated acorn lugs for ... Answer to: What book or books would you suggest to get for a person who wants to become an automotive technician? I bought a 1990 Chevy 1500 pickup several months back. If I don't pump the gas pedal, it will immediately die. The idle speed control circuit can often be diagnosed with a professional-grade scan tool that has the proper software to command an idle speed control test. I hope this helps. Buy a 1989 Chevrolet S10 Idle Control Valve at discount prices. 1987 Chevrolet S-10 Pickup1987 chevy s10 2.5l tbi will not start. 2003 GMC Sonoma, 4.3L v6 vin X, 2wd, auto. It will start after 3 or four times after doing this. Easy to use parts catalog. Problem with your Chevrolet S10? There are many things that can cause acceleration problems in any vehicle. engine idle goes up and down at slower speeds and at idle. Info. Checked for vaccuum leaks, reset base idle, tested sensor components, ran Win aldl diagnostics, could not get it to run right. The 1989 Chevrolet Caprice has 1 problems reported for high idle and stalls when put in gear. Please help. you weren't giving advice. I have a 1989 Chevy S10, it has an automatic transmission with 120,000 miles. My mechanic found the problem of why my 1997 Chevy s10 died suddenly while driving it. It was running fine a year ago but then it started to have a slight poor idle. s100614 Posts: 3. Tap to unmute. There is a large “sucking” sound coming from the throttle body when it is warmed up.
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