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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 28, 2010
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Open Help Requests for GM
Help Request Answers
2004 Cadillac DeVille 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KD54Y44
OK so SES light is on & off sporadically for past couple of weeks. Strangely enough it passed Maryland State Emissions Testing just a few weeks ago. I do not have a Gas analyzer sorry for that, I know it would be helpful to know what the gases are doing. (any ... Trouble codes: P0171, P0174, P1372
1996 Chevrolet Blazer 4.3L Misfire, VIN: 1GNDT13X4T
Truck came in for misfire. Cust had replaced plugs wires cap rotor and coil. The issue is there is arcing all over the place. It is arcing at the coil at the boots and at the plug wire looms. I Personally have not seen this on new parts. I think it might be a ...
1997 Chevrolet Blazer 4.3L Abs VIN: 1GNCS13WXV
Thanks in advance, Per TSB, removed wheel speed sensors & cleaned mounting surfaces. Not really much corrosion or rust build up, but cleaned sensor mounting surface & backing plate-to-spindle surfaces anyway with wire brush in die-grinder. No change! ABS pump ...
2007 Chevrolet Tahoe LT 5.3L Tailgate Chime VIN: 1GNFC13097
We have a 2007 chevy tahoe lt-customers complaint is that while driving rear tail gate will chime that it is open,door lock and rear hatch lock have been disconnected it will still chime gate open,any help would be appreciated.Thank you in advance.

Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Avalanche 1500 5.3L No Start, MIL Lamp on VIN: 3GNEK12T24
Thanks for the great replys.The problem was a leaking fuel pressure reg that is part of the fuel pump.Replace pump and all is well.Thanks again.
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