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Prev Professional Automotive Repair Technical Discussions for January 11, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Impala LS 3.8L Misfire VIN: 2G1WH52K53
back fires on acceleration Trouble codes: P0300
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2003 GMC Envoy XL SLE 4.2L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1GKET16S63
Got a tough GM problem here. Customer brought vehicle in complaining of a stall on idle. Took it for a test drive and on idle, found that it cut out to near stall when the AC clutch engaged, works and drives fine otherwise. Tested fuel pressure, reads 58psi. T... Trouble codes: P0172, P0495
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Cadillac DeVille 4.6L No Start VIN: 1G6KD54Y7V
Thanks for all help' both on website and taking time to communicate via email. Customer chose to not fix vehicle but I am positive pcm and radio are defective. I allready explained the radio above. My final test on pcm was to unplug it and jump data wires and ...
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2007 Chevrolet Impala LTZ 3.9L MIL Lamp on VIN: 2G1WU58R47
I did Not Fix this Vehicle. I Think the Problem was maybe the Cam phaser or the Timing Chain was Stretched. Customer Declined Me from Removing the Timing cover to inspect Further. After All The Car Ran Perfect So they Will just Drive it like it is. Trouble codes: P0016.
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2008 Chevrolet Aveo LS 1.6L timing VIN: K17L753905
Oh man what a pain this one was! The timing was on. The poor idle was a faulty pcm that wasn't allowing throttle control. I wish I had a trick for you guys on how to time this engine. It was a lot of trial and error. I would strongly recommend that you mark th...
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