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Professional Automotive Repair Technical Discussions for October 9, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Chevrolet K1500 Suburban 5.7L Unknown VIN: 1GNFK163RJ This suburban will go into lock up and od at 25 to 35 mph under a light throttle, more often after sitting overnight. Then it will spark knock and vibrate. Usually it will come out of lock up and od when I floor it. One time I had to manually drop it into driv... |
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| 1999 Chevrolet Blazer 4.3L Cuts out VIN: 1GNCS13W7X This vehicle will just die (unsure if it dropping ignition or fuel). There are no codes present. This vehicle sometimes will die while driving and sometimes while sitting idle. We have tried the wiggle ans rap test on the ign module, MAF, coil, EGR valve, ECM,... |
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| 2004 Chevrolet Aveo LS 1.6L MIL Lamp on VIN: KL1TJ62654 custemer brought to shop for eval, found and procured 1000 mile used engine, installed used engine, ran in shop fine, road test sets code, can run car on hoist,power brake etc no code, drive car downhill or level with very little throttle no code shifts fine, ... Trouble codes: P1781 (engine torque control circut) |
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| 2003 GMC Sierra 1500 HD SLE 6.0L noise VIN: 1GTGK13U53 This truck has a noise in the intake system that can be heard in the interior. there is a wooshing noise when the throttle is opened. It has to be a moderate acceleration like 1/3 to 1/2 throttle. It can be heard accelerating from a stop or accelerating while ... |
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| 1989 Pontiac Firebird Formula 5.7L rear disc system VIN: 1G2FS2180K Greetings: This vehicle was brought in for failing Mass. state safety inspection for inefficient rear disc brakes & inefficient parking brake system. Has PBR single piston rear brake calipers. Even with new rear pads, the park brake will not hold the vehicle ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1981 Cadillac DeVille 6.0L Cuts out VIN: 1G6AD6991B Thanks to everybody who replied, every responder had good suggestions. I forwarded your info to my brother-in-law, but unfortunately he still hasn't located the problem. I think if he was in better health he would have been able get deeper into the car, and I'... Trouble codes: 23 (EST malfunction), 38 (MAT out of range). |
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| 1998 Chevrolet Cavalier 2.2L theft VIN: 1G1JCS246W thanks for all the replies and the time spent on this.I tried to reset the theft system the way that was sugested to me.But it didnt work I called the chev dealer the parts mgr said to reset the system I told him I did he said thay were difrent to try this so ... |
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| 1996 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1366T Thanks to all that responded. We cleaned EGR ports and are waiting for the ready status. Trouble codes: P0400 (EGR Flow Malfunction). |
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| 2002 Oldsmobile Aurora 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G3GS64C22 Hey Gang, Sorry for the slow response, I've been out of town. This rig is fixed. In short, It was the rear coil pack. I found this by swapping coil packs from front to back and watched the misfire move with it. This is a tricky system to test because the coils... Trouble codes: P0300 (Random missfire). |
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| 1997 Pontiac Grand Am GT 2.4L exterior running lights & gauge illumination VIN: 1G2NW12T4V Thanks to everyone who answered. The problem turned out to be an aftermarket remote keyless wire. The scotch lock which connects the keyless power to the orange running light power wire opened and was touching the metal portion of the driver's kick panel. In... |
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| 2000 Saturn LS2 3.0L Starting VIN: 1G8JW52R94 Thanks for all the help. I found out from everyone that the tail lights are under a recall. I also found out that you can re-cycle the passlock by urning the key on for 10 min and then cycle the key off and on for a few min and cycle it qa 3rd time and the key... |
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