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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 28, 2017
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Open Help Requests for GM
Help Request Answers
2001 GMC Sierra 1500 SL 4.8L No Start, Stall VIN: 1GTEC19VX1
Truck came in on a hook for stalled going down road,crank no start. Checked for codes where the mass air out of range and fuel level circuit was pulled. Then tech cleared codes. Still crank no start. He checked fuel pressure 55 psi koef. Then unplugged mass ai... Trouble codes: P0101, P0463
2004 GMC Savana 3500 6.0L Poor Idle Quality, Cuts out, Misfire VIN: 1GDHG31U34
Got this box truck with a complaint of intermittent hesitation and or cut out. Vehicle has code P0300, but "Check Engine" light isn't on. Misfire data shows multiple misfires on right bank, with cylinder 6 being the worst. I swapped the coil and wire with anot... Trouble codes: P0300 (testing and results)

Fixes & Summaries for GM
Fix/Summary Answers
2007 Chevrolet Cobalt LT 2.2L Unknown VIN: 1G1AL58F87
Thanks a lot guys. I found two of the small ground wires corroded and broke. Repaired them and code no longe returns.
2007 Pontiac Grand Prix 3.8L MIL Lamp on VIN: 2G2WP55287
Thank you all for your responses to my help request. I very much appreciate them. Since this can ran,I talked them into letting me take it to my garage to work on it. It works so much easier when your not getting called off the job at hand to handle 15 other o... Trouble codes: P0452, P0641 (5volt reference circuit 1).
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