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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 13, 2022
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Open Help Requests for GM
Help Request Answers
1995 Chevrolet C3500 7.4L No Start, Stall VIN: 1GCHC39N5S
This truck will try to start, and then stall, apparently due to flooding. It started after a corporate-owned "muffler, brake, and service" shop did some unrelated repairs. They couldn't figure it out, so they had it towed to a Buick/GMC dealer nearby. The ...
2009 GMC Sierra 1500 SL 4.8L temp gauge/cool fan VIN: 3GTEC13C39
The temp gauge will go up to 210 and stay there while driving. Then after sitting for 5-10 minutes the gauge will start climbing to about 230. Then the fans start up and temp gauge goes back to normal. I had a 2002 and now 2018 and they both run that same ...
2017 GMC Canyon SL 2.8L No Start VIN: 1GTP6EE13H
Hi this truck was towed because of no start no crank. could not communicate with various modules including tcm, ecm power steering module. between pin 6 and 14 i had 120 ohms. I hooked up a scope to pin 14 on obd2 white wire and the voltage was higher than... Trouble codes: U0073, U0077, U0100, U0101, U0131, U420;

Fixes & Summaries for GM
Fix/Summary Answers
2011 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNKVGED1B
Some of the problems seem to be fixed, and that's all the customer is able to afford for now. Thank you as always for your helpful replies. I did think there could be a vacuum leak, but a smoke check did not reveal any intake leaks at all. Also, it idled qu... Trouble codes: P0101 (Mass Air Flow Sensor), P0101 (Mass Air Flow Sensor).
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