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Prev Professional Automotive Repair Technical Discussions for January 2, 2005
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Open Help Requests for GM
Help Request Answers
1996 Cadillac DeVille 4.6L seat heaters VIN: 1G6KD52YXT
Happy New Year everyone! Customer brought in this car for seat heaters not working. He bought car recently and says they never worked for him. His main concern was drivers side, and depending on cost, maybe passenger side. I followed Alldata's flow charts and ...
1999 GMC Sierra 1500 SLT 5.3L Heated Seat VIN: 2GTEC19T5X
Electric seat heater quit working. I found a schematic on AllData & checked the fuses(ok) & looked under the seat to try to find the relay. I was hoping someone has 'Been there/done that' and can direct me to the proper things to test and maybe a likely failur...

Fixes & Summaries for GM
Fix/Summary Answers
1991 Buick Century Custom 3.3L Hesitation, Cuts out, Stall VIN: 1G4AH54N2M
Many thanks to your quick and excellant responses to my problem. It was the fuel pump causing the problems. I appreciate the clarifications on the matter that the quad driver signals some of the outputs. This helped me quite a bit. Trouble codes: 26 (Quad Driver error).
2001 Chevrolet Monte Carlo LS 3.4L engine vibration VIN: 2G1WW12EX1
We have not yet got this car back but customer said if it gets worse he will return it to us. Some mentioned injector balance and timing belt although I really still feel it is a vibration of some sort because the engine is smooth as silk out the exaust.Scott ...
2004 Chevrolet Trailblazer LS 4.2L Radio VIN: 1GNDT13S54
Well I'm pretty sure I got it fixed. It's been gone for a week now and the customer called and said is was working fine. I got several replies with alot of good help. A couple stated to check the grounds and for shorted out speakers. Those were all ok. Three r...
1997 Pontiac Grand Am SE 2.4L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52TXV
We determined the problem to be mechanical due to timing chain jumping causing a low vacuum which in turn is causing the computer to go full rich. Some of you guys suggested this. This happened all of a sudden on a very cold day. I'm guessing that the cam hous... Trouble codes: P0530 (A/C System Pressure Circuit), P1441 (Evap shows flow during non-purge), P0300 (Random Misfire Detected), P0108 (MAP or BARO Signal High).
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