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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 8, 2021
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2009 Chevrolet Uplander LS 3.9L Keyless entry fob VIN: 1GNDU23149
Good morning everyone. I hope someone has encountered my problem before and can help. I can't seem to get the keyless remote to program to the vehicle. Have tried the vehicles key on key off procedure repeatedly and also Using the snap on Solus Ultra ( wit...
2009 Pontiac G8 GT 6.0L failed smog - No Com VIN: 6G2EC57Y59
Have not yet started digging into this one, looking for direction before I commit to the customer. He has recently failed smog test in CA due to no Comm with the BAR OIS. This is an Australian Holden rebranded by GM and sold as a Pontiac G8. It has...

Fixes & Summaries for GM
Fix/Summary Answers
2000 Chevrolet Astro 4.3L Monitor Incomplete VIN: 1GNDM19W9Y
Hey guys. Thanks to all that replied. After replacing the two upstream sensors and following the drive cycle EXACTLY, the monitor finally completed on cold start .
2009 Chevrolet Suburban 1500 LT 5.3L monitors VIN: 1GNFK26329
Thank you for the replies ** this one is fixed, bottom line kept driving this suburban with cold and hot starts. did preform service bay test like 3 times. finally after a cold start o2 heater ran, than evap! totaling [...] to run everything!
2012 Chevrolet Malibu LS 2.4L Hesitation VIN: 1G1ZB5E03C
Ran cranking and running compression lab scope tests. Waveform pattern showed cranking compression way too high at 225psi, then closer pattern examination indicated intake camshaft opening too soon. Removed timing cover and valve cover, and found timing marks ... Trouble codes: P0101 (Mass Air Flow MAF Sensor Performance).
2012 Chevrolet Colorado LT 3.7L Fuel Gauge VIN: 1GCHTDFE1C
Well I really appreciate all those that offered help and advice on this fuel gauge. I learned that a bad fuel gauge can successfully be commanded to go to "Full" and commanded to go to "Empty" with the scan tool and still be bad. It was off by about 1/4 tan...
1992 Oldsmobile Cutlass Supreme S 3.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1G3WH14X0N
Wiring harness under fuse box r.side. Red wire bleeding into 5v reference. Repaired harness.. Thanks for all the help from you guys !! Great to have help when you need it! Jim Trouble codes: 23 (Iat).
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