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Prev Professional Automotive Repair Technical Discussions for July 27, 2014
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Silverado 2500 6.0L cluster VIN: 1GCHK29U12
hi guys, i took over on this vehicle due to determination and the fact that the dealer tried to fix it and they couldn't figure it out. the vehicle drives and operated fine however when the window switch on the drivers door is activated for either side, mainly...
2012 Chevrolet Malibu LT 2.4L MIL Lamp on VIN: 1G1ZC5EU3C
This vehicle came in with the check engine light on and code p0171 system lean.Upon first inspection,could see the fuel trims go to 30 at idle.And after idling for about 3 minutes the code will set.Every time.I checked it for vacuum leaks with a smoke machine,... Trouble codes: P0171
2013 GMC Terrain SLT 2.4L 5-6 shift VIN: 2GKALMEK90
Customer complaint of 23 MPG on trips. Supposed to hit 32 MPG. Dealer cannot find problem. On a trip down south, he was doing 90 to prevent being run over and claims he hit 33 MPG. I checked for codes and found none in any system. We went on a test drive when ...

Fixes & Summaries for GM
Fix/Summary Answers
1976 Cadillac Eldorado 8.2L No Start
Thanks for the replies. The Seville diagram on Mitchel was similar and I put a request in to Carquest Direct Hit and they emailed me a really nice break down of the system. This particular system fires one bank at a time and when the injectors are supposed t...
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