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Professional Automotive Repair Technical Discussions for April 21, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1987 Buick Somerset Limited 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy VIN: 1G4NM11L7H Fellow techs, I'll try to keep this short, wife loves the car, husband loves the wife -hates the car. This vehicle feels like it has solid mounts under it and when accel. it will back fire and hold back, sometimes it will stall. It always restarts, has no code... |
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| 1995 Buick Park Avenue 3.8L Hesitation, lacks power VIN: 1G4CUS5219 Previously this car (and others like it) would lite up and smoke tires on concrete pavement from stop, very agressive acceleration, now it runs like a non-supercharged 3.8 with a flat spot-hesitation on inital acceleration. Will run 80 mph + just lacks previou... Trouble codes: P0321 (This code does not set MIL lamp - Lacks spark refrence) |
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| 1997 Buick LeSabre Limited 3.8L Security VIN: 1G4HR52K9V Random security system activation after being parked in parking lots with vehicle warm/hot in sun, only after being driven, engine fully warmed up. Never happens when cold. Checked for any lose connections or corroded cables at battery and vehicle electrical ... |
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| 1991 Cadillac DeVille 4.9L 3rd gear only VIN: 1G6CD53B2M i can ground the shift solenoids and get 1 st gear.i have ckd the solenoids 22 ohms.the wiring to ecm is all ok.but still nothing but 3rd.all fuses are good.all grounds are ok.thank in advance for any help.gary [...] |
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| 2000 Chevrolet Malibu 3.1L Mechanical VIN: 1G1ND52J3Y i have a 2000 malibu 3100 that make's a ticking noise from the top of engine ,make's more noise cold than hot but none the less it still make's the noise . replaced all roller lifter's, it makes more noise when cold then when engine get's to operation temp eng... |
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| 2000 Chevrolet Malibu 3.1L Poor Idle Quality, MIL Lamp on VIN: 1G1ND52J6Y good evening to all.I have this 2000 malibu with p0442 code stored cel on w/slight stumble at idle.resealed intake last week for customer due to coolant leak.all present problems present prior to intake reseal.after intake job found when car warmed up (150 deg... Trouble codes: P0442 |
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| 2003 Chevrolet Suburban 2500 LS 8.1L engine VIN: 3GNGK2683G This 2003 Suburban with an 8.1 gas engine that has an intermittent stalling problem. When the unit stalls it won't restart on the first or second try of the key , the motor spings but won't fire up . Also sometimes when trying to restart the customer stated th... |
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| 2003 Chevrolet Silverado 1500 5.3L SIR Fuse VIN: 2GCEK19T04 Thamks for taking the time to revieve this. This one has been to several shops to find the reason for the SIR fuse blowing, it will go 2 days or at times 2 min(customer stated). I pulled amp draw on fuse and it shows 680 mamps draw as this has not blowen fuse ... |
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| 2003 Chevrolet Silverado 1500 4.8L brake warning light VIN: 2GCEC19V77 parking brake and abs light come and off.accees abs and found no code.found no exterior leak.no low brake pedal.brake are operating normal |
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| 1993 Geo Tracker 1.6L No Start VIN: 2CNBE18UOP need help please. got this tracker that has no fuel or spark. checked all fuses and all good. first let me say that i cant get any codes from ecm. i can ground the blue wire coming out the ecm relay and all relays click in. i did this and it fired up but only ... |
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| 1988 GMC K3500 Sierra SLE 6.2L No Start, Hesitation, Cuts out, Stall, Poor Power VIN: 1GTGK34J0J Hello everyone, I am embarrased to even write this post. My boss has replaced 6 fuel pumps (thats right, 6 AC Delco pumps) on this diesel with in the last year, probably more like 9 months. Anyway, after pump replacement truck runs perfect, plenty of power, n... |
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| 1995 Pontiac Firebird 3.4L Hesitation, Misfire VIN: 2G2FS22S6S car came in for vibration while driving. after test driving noticed it was an engine miss on acceleration. check ignition vehicle had to different types of plugs in it. replaced spark plugs with ac delcos and replace wires. still has miss under acceleration. c... |
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| 1998 Pontiac Sunfire SE 2.2L odometer VIN: 1G2JB5240W The led bulb is out in the electronic odometer, everything else in the cluster is working fine, and all the wiring is good.Would anyone have any suggestions if you can just replace the led bulb or just the electronic odometer, in the instrament cluster. With o... |
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| 1998 Pontiac Grand Am GT 3.1L ETS Light On VIN: 1G2NW52M2W Once again I am pulling the best tool in the box out. I want to thank all of you in advance. Well I have this 98 grad am with an ETS Off (Enhanced Traction System) light that does not does not go out. I orignally had a ABS Light and ETS Off light on, but I fix... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Chevrolet Corvette 5.7L cooling VIN: 1G1YY2259T most replies said that this is normal temps for this car (210-230). the coolant cap had already been replaced & the condenser was cleaned when the radiator was out. some said that the gauge calibration gets off as these cars age. the customer said that the car... |
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| 1997 Chevrolet Astro 4.3L fuel gauge VIN: 1GCDM19W2V well after checking all the ground circuits from a to z the problem was in the ip.The fuel gauge was bad.had ip rebuilt.Problem solved.thanks to everyone for the help,this one was very time consuming but with the help of iatn techs,problem solved,thanks again ... |
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| 2001 Chevrolet Monte Carlo SS 3.8L air bag VIN: 2G1WX15K21 Thanks to everyone that replied. It was the SDM module. It had to be flashed by Tech 2 so I had to farm it to dealer. I appreciate the time and effort that went into your replies and sincerely thank all of you. Keep up the good work. Donnie [...] |
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| 2001 Chevrolet S10 2.2L evaporator VIN: 1GCCS14521 Thanks to all who replied. It took a new compressor to fix it. As most of you said the switch in the bottom of the compressor was full of debris. We put the gauges on it and reved the engine to 1500 rpm as Mike from Texas said and the low side pressure did not... |
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| 2002 Chevrolet Impala 3.4L No Start VIN: 2G1WF55E72 It took awhile to get the custmer back, but we did and thanks to all the help; a BCM fixed it. Thanks again |
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| 1999 Pontiac Montana 3.4L ABS light VIN: 1GMDX03E9X Well' I did some more checking, I even tried another scanner, that scanner gave me one code for the left front brake sensor, I disconnected the harness, no change, I traced the wiring back as far as I could, no luck, and I still could not get the code to clear... |
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| 1999 Pontiac Firebird 3.8L Hesitation, MIL Lamp on VIN: 2G2FS22K5X Thanks for all the help. I replaced the already replaced t body and all is good. Did a 12 mile RT and it runs great. Out of curiosity I drilled out the rivets on the t body and took it apart. The tps and throttle motor were oil soaked as the whole t body was f... Trouble codes: P1221. |
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