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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 21, 2020
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Trailblazer LS 4.2L electric windows, door locks VIN: 1GNDS13S92
Went to unlock vehicle. Power locks not working, engine will not crank. Power windows will also not work. Code U1000 present. PCM is getting voltage at pin 31 on blue connector in start position. PCM does not appear to be grounding the start relay. Replace...
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2012 Chevrolet Impala LS 3.6L floods cylinders VIN: 2G1WF5E33C
Car came in for misfire on #2 cylinder. Check plugs and coils. Removed front and rear fuel rails. Replace #2 injector. After putting everything back together misfire gone on #2 cylinder but now missing on cylinders #1,3 and 5. Removed spark plugs. Back 3 p... Trouble codes: P0300 (misfire)
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Fixes & Summaries for GM
Fix/Summary Answers
2008 Chevrolet Colorado LS 3.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 1GCCS29E58
thanks for the help, most were right in the internal failure of pcm was the whole problem. so many codes were confusing, but a new pcm was installed, flashed & truck is running great. Thanks again! Trouble codes: U0073 (control mod bus off), P0606 (contr mod internal failure), P1221.
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2010 Chevrolet Equinox LT 2.4L Hesitation, Cuts out, Stall, Misfire VIN: 2CNALPEW9A
im sorry to say this vehicle is not fixed. i really wanted to fix it but customer was already dis heartened by the time it got to me due to the money spent on it. i did however verify that everything that was replaced was in fact needed, and it was so no parts... Trouble codes: P0089 (fuel regulator performance), P0174 (Fuel system rich), P0300 (random misfire).
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