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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 22, 2021
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Open Help Requests for GM
Help Request Answers
2010 Chevrolet Express 3500 4.8L MIL Lamp on VIN: 1GB3G2BA2A
We have 2 2010 Chevy express bread vans with the 4.8L engine and both are setting O2 codes primarily for bank 2 sensor 2. We have checked wiring multiple times and replaced sensors with Chevy O.E. sensors from the dealer, and the codes continually reset. C... Trouble codes: P0157 (B2s2 low volt), P0056 (Bb2s2 heater cir), P0060 (B2s2 heater resistor), P0137 (B1s2 low v), P0158 (B2s2 high v), P0161 (B2s2 heater)

Fixes & Summaries for GM
Fix/Summary Answers
2009 Cadillac DTS 4.6L pan gasket VIN: 1G6KD57Y19
I would like to thank all who replied. We did not reseal the upper crankcase girdle. I am leery of not doing it but the warranty company and the owner both were hesitant. To be honest I was not very excited about doing it either. We did purchase a new 1/...
2009 Pontiac G8 GT 6.0L failed smog - No Com VIN: 6G2EC57Y59
Thank you all for your input! Chris [...] hit the nail on the head, thanks Chris! It was a bad ground on pin 4 - fixed, communicating with OIS and passed smog test. I arraigned a referral to a local Test and repair, spoke to the Tech myself and gave ...
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