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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 20, 2021
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Open Help Requests for GM
Help Request Answers
2007 Chevrolet Silverado 2500 HD WT 6.0L MIL Lamp on VIN: 1GCHK24K67
This one has me stumped at the moment. The fuel trims go positive when accelerating and at idle all is well. The O2's drop to 0 on acceleration. It appeared to be fuel delivery issue but now it has a new fuel pump assembly, good volume and pressure. The MA... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2)
2009 Chevrolet Impala LT 3.9L Hesitation, Surge, MIL Lamp on VIN: 2G1WC57M59
2009 impala 3.9 surges at idle and while driving will stumble with codes for maf and tps issues p0101 p0121 p1101 and running rich p0172. Air filter housing was not attached so air was bypassing filter. Maf and honeycomb were dirty and appeared to have bee... Trouble codes: P0101 (p1101-), P1101 (p0121-), P0121 (p0172-), P0172
2011 Chevrolet Silverado 1500 LTZ 6.2L xm VIN: 3GCPKTE28B
Hello all , wondering if anyone has run into anything like this. The car came in with a parasitic draw which I traced back to the VCIM , we replaced it and reflashed the module . Draw is gone , no codes ,everything works except XM . I have AM /FM /CD and A...

Fixes & Summaries for GM
Fix/Summary Answers
2016 Chevrolet Trax LT 1.4L Unknown VIN: 3GNCJPSB8G
Hi all, Well I pulled center panel apart and found that the cable was pulled off? Not sure how that happened. Going to order a new one tomorrow. Thanks for the help, Steve [...]
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