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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 1, 2019
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Open Help Requests for GM
Help Request Answers
2012 GMC Sierra 1500 SLE 5.3L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 3GTP2VE74C
This truck came in w/multiple misfire on odd cylinders ONLY . Removed spark plugs to find odd plugs black from rich mixture on odd side only . Even bank is good . I could run a bunch of tests but it is doing this on one bank only . The plugs look just ... Trouble codes: P1171, P0175, P0300

Fixes & Summaries for GM
Fix/Summary Answers
2010 Cadillac SRX Luxury 3.0L Timing Chain VIN: 3GYFNDEY4A
Thank you to everyone that responded .After everyone's replies we did some more experimenting . We installed all the components with out the timing cover and hooked up a external oiling system . We found we had great oiling every where . We did this just to ve...
2013 Chevrolet Cruze LS 1.8L Poor Idle Quality VIN: 1G1PB5SG3D
Thank you for your replies. Doug and Christopher get the gold star, it was in fact a bad dual mass flywheel. Kinda crazy with only 80k on it, but was coming apart. Now it runs nice and smooth!
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