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89 S10 Rough Idle

89 S10 Rough Idle

Re: Idle surge and running rich. 8L 5speed Daily 1989 S-10 Short Wide Tech 4 2. cylinder running lean at idle, means no lubrication, thus can damage cylinder walls, and rings. How do we adjust an engine’s idle speed? In the past, adjusting an engine’s idle speed was easy. I am stumped. If you cannot get it to idle correctly, then follow the trouble shooting starting with proper spark on both cylinders. Some older cars use a carburetor to process fuel, rather than a fuel injection system. She runs if I give her gas, but will not Idle on cold. LMC Truck offers 89 Chevy S10 Truck Parts to repair or restore your 89 Chevy S10. If a vacuum line or tee should crack or become damaged to the point of leaking, the S10 may run poorly, or not at all. 3 V6 with 85k miles on it. Problem with my = 2004 Chevy Colorado. My 89 Chevy S-10 has 71,000 miles. IT idles roughly, stalls at stops, but seems to run allright at higher speeds. 9l high hydrocarbons and rough high idle thought maybe missfire or a clogged injector but replaced fuel injectors, spark pugs, wires, cap rotors, EGR valve, MAP sensor. Took it to the dealer I bought it from, told me the brake booster drew alot of vacuum at idle at thats why the idle was rough. The engine runs good when it is cold, but when the engine warms up it seems that the idle lowers and the engine starts to run rougher than when I first start it up. i had an 88 with the 5. Get the best deals on Fuel Injectors for Chevrolet S10 when you shop the 47 new & refurbished from $89. Told him we could do it ourselves so we replaced fuel pump and MAF last night along with Fuel filter. Replaced fuel filter. Only at www. Vehicle Speed Sensor "A" Malfunction. Could the leak be causing the hi idle? I pulled codes 137, 451, and 507. 1990 Nissan Pickup 2. Had the ignition module tested, it is ok. The soot in the throttle can change your car's fuel performance. Failing Electrical Components: A problem or failure in the ignition system or various electronic components can cause a rough idle. What the Home Mechanic Needs to Know About O2 Sensors - An Article from the OBDII Technical Library Today’s computerized engine control systems rely on inputs from a variety of sensors to regulate engine performance, emissions and other important functions. com Car Forums! GMC S15 and Sonoma Stalling/Dying Problems. Asked in Car Shaking Problems, Chevy Blazer S-10, Ford Explorer XLS, Shake It Up (TV Series) Why would a 1988 Chevy Blazer S10 with a 43 engine 6 cylinder shake? If there's a rough idle, that. Idle Surge) For those of you who may have missed the thread regarding my idle surge, here's a brief summary: - One hot Saturday in June, I was driving happily along the freeway. I replaced the O2 sensor and that seemed to help but it will still idle a little rough just not as bad as before. However, once the engine reaches FULL operating temperature the idle is smooth and power returns. We love when auto parts experts come to our site and we love when car parts newbies come to our site. The 1985 Chevrolet S-10 Pickup has 1 problems reported for rough idle at start up, automatic choke light is on. Then, unbolt the valve, and clean the return tube and entry port using carburetor cleaner, and a toothbrush or pipe cleaner. The engine runs fine when cold but as it warms up it starts to "surge" at idle and when you come to a stop it acts like it wants to stall then it grabs. Order your Idle Air Control Valve - 1AISC00030 today at 1AAuto. The rough idle was still present. Advance Auto Parts has 11 different Idle Air Parts for your vehicle, ready for shipping or in-store pick up. The driver may feel a shimmy from the front of the vehicle, or hear clunking or rattling noises on rough roads, when turning. What goes on is the idle is too low. I am stumped. Our certified mobile technicians come to you 7 days a week between 7 AM and 9 PM. 88 s10 rough idle, no power, cuts out when driving 11 Answers. Before this the car ran perfectly fine even with the CEL on. Checked fuel pressure. 3L TBI with A/C. My 1989 S-10,2. 9 v6 only has 68,000 on it and has been running great until one day i went out to get lunch and while at a. Now the problem i am having is the vehicle is running very rough won't idle sometimes or idle will slowly fluctuate it also has a miss in it. Over the last 2 weeks it's been intermittent, but the last 3 or 4 days it's been nonstop. Make small adjustments to see if the rough idle improves. Runs rough and idle issue help asap please. It would not start even with starter fluid. The part helps your truck maintain a consistent idle even as the engine takes on extra work. driving down the road it does fine, never sputters or struggles, but once i stop at a light it starts the rough idle. Now the mechanic has leaned the mixture out. So here's the situation: I just bought my 89' 300 SE w/ 214,000 on the clock but strong as an ox with the head gasket replaced by my friend who was factory trained by Mercedes and works at a reputable shop here in town. When driving the truck it does not seem to have any power in the lower rpm range say below 2500rpm no matter how much gas you give it just bogs out pretty much. Hard start, extended cranking time and possible No Start Condition. It doesn't help that it idles so low (about 580 rpms seems about average). Need to replace your Chevy S10 Pickup Idle Air Control (IAC) Valve? Then shop at 1A Auto for a Idle Air Control Valve replacement for your Chevy S10 Pickup at a great price. Love the forum and like most people it's been a tremendous asset. The vehicle is a 1989 S10 Ext Cab Pickup. It uses a silicon wafer that is thinner in the center (0. Looking for a 2000 Chevrolet S10 Idle Control Valve? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. Chevrolet S10 Car idle is rough Inspection at your home or office. This is the description of a Code 44 as set on GM products It is an indication of a lean mixture as indicated by the oxygen sensor readings. If the idle is low and inconsistent, it may be due to an issue with your idle control valve. The next day the truck started right up and had a very nice idle. When it comes to your Chevrolet S10, you want parts and products from only trusted brands. 2 kg) with numerous measurements, benchmarks and ratings. I've replaced a bad distributor with a mallory after market. If this happened all at once, check the vacuum lines. Ok, so you're pretty sure the manifold is sealed to the head. Cleaned the Mass air flow sensor, new plugs, wires, distributor cap, rotor and fuel filter. David thomas Dodge Dakota JOIN HERE 7/01/2011 16:39:00: RE: rough idle IP: Logged Message: have a 01 dakota it has a rough idle and a bad hesitation at take off and will pop and crack at low sppeds if you cram it down will take gas and run fine until you back off too low speeds again any ideas. During acceleration - sometimes it's better, sometimes worse - but no pattern. I have a 92 Chevy S10 Blazer. 88 s10 rough idle, no power, cuts out when driving 11 Answers. 5L 5 speed 2wd pickup isn't running correctly. Some shops will scan your codes for free. Stage V--Large by Huge 502 ci. Air-fuel sensor replaced. The engine begines to run so rough that it acts like it's going to stall but does'nt. I have a 1991 Chevy s10 (4. The part helps your truck maintain a consistent idle even as the engine takes on extra work. 180,000 Miles. Really BAD gas mileage. '89 W124 300TE, rough idle, fuel issues, engine light etc. Problem Diagnosis Car Forums. Any suggestion will be appriciated thanks greg. I have a s-10 2. If so, you will probably want to get a cheap tach to verify you are within a safe range. Same Day Shipping for Rough Country 242N2 2. The check engine light may also come on, with codesP0300, P0171 and PO174. The starter is shot(new one is on the way) however attempting to pull start it after cleaning the carb out (it sat for 4-5 years) was pretty gummed up, got her all cleaned up, pull started it, got it running but only for a few seconds, seems to run out of fuel quickly when it is running. If a vacuum line or tee should crack or become damaged to the point of leaking, the S10 may run poorly, or not at all. 3 litre 5 spd. that and the leak under the vette now has it doing the same things as before. If the EGR valve is stuck open or can’t seat because of carbon buildup under the valve, it will allow too much exhaust to be sucked back into the intake manifold. 00 mi , oil change every 5000 mi, fuel injector added every 6th tank full. The mechanic insisted adamantly that the head was in good shape and the head gasket was not leaking. (1992 Chevrolet S10 Blazer) It now runs very rough. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Get the best deals on Fuel Injectors for Chevrolet S10 when you shop the 47 new & refurbished from $89. Read the tech article on Adjusting TV Cables, brought to you by the experts at Chevy High Performance Magazine. Choose top quality brands Delphi, Forecast, Replacement, Standard Motor Products, Walker. It has occasionally had an issue where at idle or while driving it would start stumbling and running rough then would clear up. I have a 1990 S10 with a 4. 2 Carrera rough Running. The problem usually will disappear for a while (weeks) before it comes back again. I have an 89 mustang lx and the problem I'm having is as follows: Rough idle--searches for idle from 600-1000 rpm. By 1992 a central multi-port fuel injected engine became available as well. The part helps your truck maintain a consistent idle even as the engine takes on extra work. It has automatic trans, 4. hey all, I'm new here. * idle speed seems to change. the motor started to run very rich and the mileage went down considerably. I am aware of a valve cover leak but it is because one stud is stripped. Cheapest good-quality replacement will be a Magnaflow, or maybe a local muffler shop can fix you up with a good deal on cat, muffler & tailpipe. We have an 89 Ford Aerostar. Oldsmobile Delta 88 Car idle is rough Inspection at your home or office. Damage to the car's carburetor and vacuum hoses can cause the engine to misfire, resulting in a rough idle. How your engine idles is a good indicator of its overall health; addressing the problem sooner rather than later and checking all potential causes is important. It really does not smell very good and is not good for your health to breath in. It didnt work so we were adamant about keeping water in it and driving it as little as possible. 3L V6 auto trans has 185,000 miles and has been giving me the following problem. As soon as it reaches operating temperature It acts like it's not getting enough fuel. 2 Carrera rough Running. Love the forum and like most people it's been a tremendous asset. What's the Fastest Half-Ton You Can Buy? World's Toughest Truck Drag Race #1 - Duration: 15:41. have an 06 cummins with a rough idle truck has no trouble starting no codes had injector drop 1st Gen. I was having the same thing going on it was a 89 S10 4. We try to find some potential waiver wire streamers and sleeper defenses for your matchup. less than 1 psi of pressure difference from idle to WOT operation of the TBI unit. It had been sitting for two years or so, and the second time I got it to operating temperature, it was running great, sounded good. A few weeks ago it started stalling in idle, and has gotten worse. 3L 4x4 (automatic)Truck idles and runs great when cold. It drops to 600 RPM at a stop then will just shut down, like I turned the key off, no rough idle then stall. I have a 92 Chevy S10 Blazer. Misfire/Rough Idle. Engine rough idle problems arise because car engines are demanding. I'm Nick, I'm from Belgium, and I'm recently the proud owner of a '97 Chevy S10 4. Took the truck out and drove it kinda hard for about an hour. Chevy Truck Forum. Manufactures have removed these. This is a common issue with GM engines. I'd also pull the pin that holds the float and clean the needle valves - check for wear at the same time. It was still roughly idling way low. I have a rough idle and have to advance the timing quite a bit so it won't backfire through the TBI. Idles rough. If you cannot get it to idle correctly, then follow the trouble shooting starting with proper spark on both cylinders. idled fine at first then after a few starts it began to idle rough again. 1989 Chevy S10 Blazer the problem is when you start it and you let it idle without touching the gas it shakes and wants to die when you put it in any gear it wants to die unless you give it gas. Ok I have a 86 samurai 1. 5 started running rough when my o2 sensor blew out of the exhaust manifold (faulty welds) i replaced the manifold and the o2 sensor, still roughand has gotten to the poi. If the idle jumps, you have a. if you were to drill out the idle screw and turn it, you will find that it wont fix your problem. 1-second time – even though that car’s engine has 10bhp more. Any suggestion will be appriciated thanks greg. Shop safely with us online or call 888-844-3393 and buy the quality part your car or truck needs today. I've always thought that by simply raising the idle speed about 100 rpms would help a lot. The idle is rough, but I go on my way (seems to run fine otherwise, I don't think I am harming the car). (1992 Chevrolet S10 Blazer) It now runs very rough. We love when auto parts experts come to our site and we love when car parts newbies come to our site. Ford, Chevy, Dodge, Toyota and Suzuki suspension, steering, armor, axle components and other accessories. Possible explanations: a. Are they giving me a. This pretty much solved my rough idle. Page 2: Rough Idle After Replacing 'Spider' Injector or Fuel Pressure Regulator. 2006-03-06 Transbec Inc. any ideas?. If the EHA connector is loose the warm engine idle becames rough - in fact the engine will switch into Limp Home mode. 0 is slow, has rough idle and poor throttle response 5. 1989 Chevy S10 Blazer the problem is when you start it and you let it idle without touching the gas it shakes and wants to die when you put it in any gear it wants to die unless you give it gas. The vehicle is a 1989 S10 Ext Cab Pickup. 3 TBI trouble shooting the 89 s10 93 Chevy S10 v6 hard start and stalling. RE: Rough idle and sputter IP: Logged Message: I'm having rough idle and it feels like it hesitates a little during acceleration. 89 Chevy s-10 Blazer 4. Engine rough idle problems arise because car engines are demanding. Ask Question Asked 4 years, and a really rough idle. 3 ECM will lean out the fuel and the idle will fluctuate up and down. We love when auto parts experts come to our site and we love when car parts newbies come to our site. On most GM vehicles with V-8 or V-6 engines, a metal timing chain is used to connect the camshaft to the crankshaft. Here is the problem: At idle the engine runs very roughly. I have a 89 s10 with 2. It would also stall in neutral, however if you put it in drive, the truck would have issues finding an idle while at a stop (and would occasionally stall), but could drive. 7 efi in it and i had the same problem, i ended up having to advance the timing on it, which i did just by turning the distributor cap a little bit and listening to. When it is about to die I try giving it fuel and it. Surging idle can be caused by a number of different problems. Beginning in 1985, some engines were available with a throttle body fuel injection system. Rough Idle When Starting Cold, Then Goes Away When Engine Is At Operating Temperature More Details Below I have an older, low mileage vehicle with a V8 engine. Chevy Truck Forum. The fan clutch is designed to improve the vehicle’s cooling system efficiency while reducing the load on the engine and loss of energy caused by the fan itself. I have an '89 civic that I bought for $1 (yes, $1!). Ok I have a 86 samurai 1. 91 S10 she starts then stalls. When the computer generates a fault code, it means that there is something wrong with one of the vehicle's critical systems—typically a sensor related to the emissions. Any suggestion will be appriciated thanks greg. What's the Fastest Half-Ton You Can Buy? World's Toughest Truck Drag Race #1 - Duration: 15:41. 1988 Mustang GT-rough idle and dies 5. 5 runs rough at idle and sometimes just dies at idle. com Car Forums! GMC S15 and Sonoma Stalling/Dying Problems. A couple days latter I started it and it ran for about 30min and just shut off. I've got a '89 chevy S10, 4. This can make the engine idle rough, misfire and/or stall. Until the night before last. It will idle with almost no power, not wanting to rev when given gas. (No Trucks) - 1993 Chevy S-10 Blazer rough idle - My '93 S-10 Blazer has a 4. If the idle jumps, you have a. I have even seen PCM updates fix a rough idling condition as well. I have taken to a mechanic friend and he pulled no codes from the truck. also,remove a plug the vacuumhose to the egr va;lve,,the egr solenoid may be bad,letting a. ) Running winter fuel in warm weather. The part helps your truck maintain a consistent idle even as the engine takes on extra work. 3 Auto 4X4, when at operating temp has rough idle and under slight throttle hesitates and stumbles clears up a full throotle, it takes a second but then runs fine after returning to light accel it begins to stuble again. Rough/ low idle, smells rich, and has a knocking sound near rear (like exhaust is rattling). The day before getting the new radiator my wife overheats on the way to work and parks it/ tows it home after work. once i put it in Drive and cruise at low speeds 10-40mph it's real rough. By continuing to use. 89 toyota 22r - my baby. The fan clutch is designed to improve the vehicle’s cooling system efficiency while reducing the load on the engine and loss of energy caused by the fan itself. chevy Date: Fri, Sep 19, 2003, 8:25pm (CDT+5) From: whoisma@earthlink. This is a discussion on [SOLVED] 95 Chevy S-10 4. Strangely, as the engine warms up, the roughness tends to go away, which seems confusing. Idle Air Control (IAC) Valve: What is the severity of this DTC? A rough idle, or poor idle quality under cold start conditions, could be an indicator of a more serious problem. Your combination valve may have tripped shutting off fluid flow to the front or rear brakes. We have an 89 Ford Aerostar. Replaced cap, rotor, plugs, and wires. Here are some: Stalls at idle, stalls when I put the clutch in, stalls when I turn a corner, misfires, surges, no power, cuts out, no power at top revs, runs rough, etc. Problem with my = 2004 Chevy Colorado. Stopped in drive with the ac on it shakes very bad. Surging idle can be caused by a number of different problems. Travis: That may well be the case with your Micky Thompsons due to some sort of reason unbeknownst to me, however, in the hundreds (thousands?) of cases of Death Wobble we’ve cured, tire pressure is often too high, and is a contributing factor of Death Wobble in more than half the cases we deal with, I’m guessing. She runs if I give her gas, but will not Idle on cold. Replacing one is excellent preventative maintenance, and that's exactly what we'll talk about next. RE: 89 Dakota stalling/running rough IP: Logged Message: I have a '96 dakota that stalls when I start it after the first time around. Get Your Chevy S10 Blazer Idle Air Control Valve from AutoZone. I have a 90 S-10 Blazer 4. If this happened all at once, check the vacuum lines. Chevy S10 - GMC S15 and Sonoma Starting problems. 89 s10 has a high idle whats wrong with a 89 chevy s10 2. The problem usually will disappear for a while (weeks) before it comes back again. Problem with my = 2004 Chevy Colorado. You can plan local FSC meets in the Events Planning sub-forum and then tell us how it went in the Wrap Up sub-forum located inside. Shop Ford Mustang Parts & Accessories OR Shop Dodge Challenger Accessories & Parts. Again, runs smooth at idle and even Revs smoothly but only when the truck is in park. If the EHA connector is loose the warm engine idle becames rough - in fact the engine will switch into Limp Home mode. I, personally, have limited knowledge of engines and vehicles, but many of my friends study the subject and seem to know what they are talking about. Compression. 2L S10 (~130,000miles. My truck just hit 200,000 miles and I'm experiencing all the. We love when auto parts experts come to our site and we love when car parts newbies come to our site. I drove my Jeep to work one day a couple weeks ago. So my 1989 Reatta has a rough idle. Replacing one is excellent preventative maintenance, and that's exactly what we'll talk about next. 89 accord lxi coupe rough idle help please should i start trying to diagnose the problem or drive it some more and see if it gets better? my fear is that the idle may be a problem for the smog inspection, which i need to do soon in order to register the car in california. Components in the fuel, ignition, emission and other systems should work correctly. Again, runs smooth at idle and even Revs smoothly but only when the truck is in park. if you havent already, check the simple things, i would make sure plugs and wires are all good, make sure plugs are all in good shape and gapped to. Again, start the engine and compare how it is running at a stop to how it normally runs. The problem usually will disappear for a while (weeks) before it comes back again. Both conditions can cause a P0171 lean code, rough or unstable idle and sometimes even a stalling condition. It doesn't help that it idles so low (about 580 rpms seems about average). 7 efi in it and i had the same problem, i ended up having to advance the timing on it, which i did just by turning the distributor cap a little bit and listening to. After letting it cool down a bit, I went back to take a look. 93 chevy blazer k1500 sputter, rough idle. com, the official website for Hot Rod Magazine. 3 Running rough and dying at idle I've done the intake side sensors/gaskets. Brand: Rough Country Suspension. when first started, it idles very hard up and down, up and down. If you cannot get it to idle correctly, then follow the trouble shooting starting with proper spark on both cylinders. Re: 93 s10 blazer still idling rough, 08-05-06 03:17 PM - Post# 980906 In response to Hankster Here is a test. We're here to help you find that perfect Idle Control Valve for your Chevy S10. As long as I keep idle above say 800RPM, it won't die. 8L 5speed Daily 1989 S-10 Short Wide Tech 4 2. My recommendation, if you're having a rough idle and can get it going like I talked about, chances are it's the fuel system. 3 Tbi from a cold start the idle hunts up and down pretty bad. Top 10 Causes of a Rough Idle | JL Motorworks. Anyone know why my s10 is idiling very VERY rough and shakes pretty bad at about 60-70 mph the U joints are new an the tires the last time i checked had the counter weights on them. A lot of times the Vehicle Manufacturer will release a Technical Service Bulletins (TSB’s) related to a rough running or Misfire condition specific to your vehicle. This engine has fuel injection; I checked the fuel pressure, seems OK (the needle on the gauge jumps around some while the engine is running)replaced the plugs and wires, fuel filter, coolant temperature sensor, cap and rotor. Then you only need the idle VE (and injector open time) to predict the idle pulse width, since this is minimum when there are no enrichments (E=0, accel=0). The next day the truck started right up and had a very nice idle. 1989 325i, very rough idle, ideas??? I had a timing belt/ cyl head/ valve job done on my 89 325i, and the car ran rough when I got it back. Typically, when your car comes from the manufacturer, ignition base idle timing is set to a manufacture specification before top dead center. tired of throwing parts at it so any help would be awesome. A wet/dry cylinder compression test will diagnose this fault. 5 started running rough when my o2 sensor blew out of the exhaust manifold (faulty welds) i replaced the manifold and the o2 sensor, still roughand has gotten to the poi. I'd also pull the pin that holds the float and clean the needle valves - check for wear at the same time. I've replaced a bad distributor with a mallory after market. My car is running extremely rich and has a terribly rough idle with extreme hesitation when applying throttle. 88 s10 rough idle, no power, cuts out when driving 11 Answers. I'm having problems with rough idle when warm. My 88 s10 base model 2. Hi i am pretty new here and i am just trying to diagnose problems with a 2000 chevy blazer 4. Looking for a 1991 Chevrolet S10 Idle Control Valve? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. Subject: Stalling/rough idle 89' 318 IP: Logged Message: I have an 89' 318 that has been running poorly. Had the ignition module tested, it is ok. With colder weather now, it is constantly in rough idle. Both conditions can cause a P0171 lean code, rough or unstable idle and sometimes even a stalling condition. I'm a newbie to rovers. 94 Chevy Truck surges at idle in gear, loss of power under accel? I just bought a 1994 K2500 w/ 5. 84 S-10 Extended Cab Instrument cluster Issues; 98 S-10 starting; Help needed with electrical/security problem; 98 s-10 2. 5:1 to 11:1 compression, and a. It will idle with almost no power, not wanting to rev when given gas. It had been sitting for two years or so, and the second time I got it to operating temperature, it was running great, sounded good. 1989 S10 will not start after just driven, idles rough and gives a little black smoke after that, what is it? 1990 Lincoln Mark VII surges then dies in idle, rough idle, surges and dies at low speed? Answer Questions. It idles really rough and when I give it gas it misses a bit, like it isn't firing on all cylinders and it is clearly running rich when cold. i had an 88 with the 5. 9 EFI - Bought it this weekend. The IAC only functions at or below 1500 rpm. 0 a4od 226k miles ive owned this truck for 7 months now not one problem except for brakes and ball joints. I've replaced a bad distributor with a mallory after market. There are no pings, backfires or other engine noises, just rough idle. Japanese Mini Truck Forum. This condition will produce a very hard pedal. So what exactly is a speed sensor and what purpose does it serve? Well, to start there are a number of different types of sensors and most are used by multiple vehicle systems. I'm a newbie to rovers. Here is the problem: At idle the engine runs very roughly. The computer on your Chevy S10 ultimately controls a variety of vehicle functions from air and fuel delivery to generating and storing fault codes. 9 v6 only has 68,000 on it and has been running great until one day i went out to get lunch and while at a. Black Bear Performance offers in-person and mail order computer tuning for your GM car, truck, or SUV with a twist. Suspension Lift Kits, Leveling Kits, body lift, Ford, Chevy, Jeep, Dodge, Toyota, Mickey Thompson Tires. 1989 ford ranger rough idle: greg: 1-20-06 : My 1989 ford ranger is idling rough. David thomas Dodge Dakota JOIN HERE 7/01/2011 16:39:00: RE: rough idle IP: Logged Message: have a 01 dakota it has a rough idle and a bad hesitation at take off and will pop and crack at low sppeds if you cram it down will take gas and run fine until you back off too low speeds again any ideas. Spark zap:old boots,replace. Does a 1989 Chevy s10 have daytime running lights? Where is the EGR valve on 89 s10?. it sounds like it want's to die. 3 litre 5 spd. A rough idle is one symptom of a clogged fuel filter. I have changed the idle air valve, the TPS, and the thermostat sensor without any results. Rough, Unstable, or Incorrect Idle and Stalling DEFINITION: Engine runs unevenly at idle. 0L mustang 7 years ago, it has had an idle surging/hunting issue that is extremely annoying and worrisome to me, that I have not yet been able to find the problem to. Chevy S10 Blazer Engine Won’t Start – Turns Over But Won’t Ignite. Had it to the dealer today and they felt it but because the computer is not throwing any codes they would not do anything. Sometimes it runs better, sometimes worse.