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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 18, 2024
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2001 GMC C7500 Topkick C7H042 8.1L Poor Idle Quality, Misfire, lack of power VIN: 1GDJ7H1E41
Customer concern: Lack of power and popping in the exhaust when in gear. Checked scan tool data and found bank 2 long term fuel trim is at 20%. Checked temperature for each cylinder at exhaust manifold and found all on bank 1 to be around 500 degrees F and...

Fixes & Summaries for GM
Fix/Summary Answers
2012 Chevrolet Equinox LS 2.4L Surge VIN: 2GNALBEK8C
We were advised by a tech from a dealership to drive not run the car for at least 20 minutes this caused more symptoms showing that there was internal wear to this motor that only replacement could correct.
2002 Oldsmobile Silhouette Premiere 3.4L Engine VIN: 1GHDX13E12
Thank you for all of the help, this one is kind of a back burner project (as I own it), the engine is out and ready to go on a stand. Why? Cause I'm stubborn I guess; someone is gonna get a really good van when i'm done!
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