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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 9, 2012
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2002 Oldsmobile Silhouette Premiere 3.4L Surge VIN: 1GHDX03E02
This is my own vehicle. The car has had lack of power problems for about a year. In the past six months, it has had a new MAF, Catalytic converter (GM), Knock sensor, and harmonic balancer. Car is 85% better. It still has a slight surge when accelerating expec...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Colorado Z85 2.8L No Start VIN: 1GCCS19845
Thanks for everyone's help once again. Especially Michael. It turned out that circuit in the pcm that energizes the starter relay was bad. Installed pcm and all is well. Thanks again.
2006 Chevrolet Colorado LT 2.8L temp gauge VIN: 1GCCS13836
i want to thank everyone for their help my brother is going to leave it like this for now. I had another chevy colorado that came in and compared operating temps on scanner and was the same 210-212 temp and gauge sweeps did have differences again thanks to all...
2007 Chevrolet Silverado 1500 WT 4.3L Poor Idle Quality, Poor Fuel Economy VIN: 1GCEC19C67
As of Friday the customer has not given the go ahead to begin repairs. Removing the belt to see if the engine load would go down was a fantastic idea. Also, the best suggestion was to check fuel pressure. I did check fuel pressure and it bled down instantly, ...
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