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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 18, 2015
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Impala 3.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 2G1WF55E61
Hello all, this is my first post and look forward to the insight and knowledge from everyone. Vehicle was passed down to me after other tech gave up. Multiple things were replaced for various reasons , most of which I do not know. I have gathered as much info ... Trouble codes: P0300
2005 Chevrolet Cavalier 2.2L Steering VIN: 1G1JC52F55
This came back with no power steering assist at idle. it has plenty of assist with the engine speed up @ 1500 RPM. after it sits it has idle power assist for about 10 steering wheel turns, but it then goes away. We warrantied (replaced) the power steering pu...
2006 Chevrolet Impala LT 3.5L Remote Keyless Entry and Remot Vehicle Start VIN: 2G1WT58NX6
Very poor range of about 5-10 ft. This year has a TSB (#07-08-52-001C) requiring the replacement of the module, antenna, and transmitters. Here's the thing, the poor range complaint was immediately after the OnStar antenna was damaged... The antenna for remot...
2008 Chevrolet Silverado 1500 WT 4.3L Poor Idle Quality, MIL Lamp on VIN: 1GCEC14X38
Hi guys. This thing is so intermitant, when i see it act up on scanner and go lean at idle, im not at the shop to ck it out. Always on test drive, cant duplacate in shop. Readings look good + - 3 trims.when it acts up it goes 24 +. Short just b1. B2 stays ok. ... Trouble codes: P0171, P0573, P1174 (Trim ballance b 1), P2271 (B1s2 o2 stuck rich)
2005 GMC Envoy XL SLE 4.2L Hesitation VIN: 1GKET16S55
One for you GoodWrenchers. Got this 05 Envoy 4.2 that feels like it is dragging an anchor. Fuel pressure and volume up to specs, no codes, idles fine. Shop called me in to program new pcm to try and cure problem. New pcm didn't fix it. I would bet the farm cat...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet Silverado 2500 HD 6.0L No Start, MIL Lamp on VIN: 1GCHK29U23
It was the pig tail for the CMP, which it was also the CMP sensor. I did learn from this one when testing wiring harness need to tug on the wires at the connector. I knew it was something wrong with the signal wire, and I wiggled it while scoping the signal bu... Trouble codes: P0342 (cam signal is stuck low too long).
2002 GMC Yukon Denali 6.0L starter VIN: 1GKEK63U42
sorry guys i forgot this one, Anyways the starter does come out the bottom without taking anything off as Alldata says. You must remove the heatshield off the selonoid..And as impossible as it looks you HAVE to disconnect the electrical to the solenoid 1st or ...
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