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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 24, 2019
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Open Help Requests for GM
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2001 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, Fuel knock VIN: 1GBHK24171
So i had purchased this truck from the shop owner, it was our service truck. I was told that it was bought off a customer who was fed up with the repair costs. The owner said it had a few injectors out so he replaced all 8 with oe bosch injectors and a new...
2002 Chevrolet Trailblazer LS 4.2L Front Windows both sides VIN: 1GNDT13S72
Thanx in advance, this trailblazer came in for overnight dead battery, found 1.2 amp draw. Traced to cluster, guage s also were inoperative except tach and odometer message center work. My problem is that I had comm. With all modules when it came in. Now I...
2002 Chevrolet Silverado 2500 HD 6.6L water in oil VIN: 1GCHK231X2
I have water getting into the oil on this Duramax. We do work on a lot of diesels (mostly Fords) but I have never ran across this on a Duramax. The customer first noticed his coolant light on. He topped it off and looked for leaks and didn’t see any. He...
2008 Chevrolet Colorado WT 3.7L Tpms VIN: 1GCDT14E88
This is my father in laws ride. I had new tires installed and with all new Schrader brand sensors. The low tire indicator has been on for years, because it had mismatched sensors I had them replaced with ones the tire store recommended. Low tire light stil...
2009 Chevrolet Colorado WT 2.9L fuel guage incorrect VIN: 1GCCS19939
truck came in with low power. Hooked up computer and determined fuel pump was bad. Replaced fuel pump. Truck ran good but customer brought truck back and said fuel gauge was incorrect. Hooked up computer and operated gauge and gauge would go from empty to ...
2016 Chevrolet Silverado 3500 HD LT 6.0L Misfire, MIL Lamp on VIN: 1GB3CYCG5G
Its setting a P0357 code intermittently. Misfire history shows cylinder #7 misfiring when the code is set. when the vehicle comes in the shop the code is a history code and running fine. We replaced the coil for cylinder #7 and all the plugs and wires last... Trouble codes: P0357
2005 GMC Savana 2500 6.0L Misfire VIN: 1GTGG25U05
Hi folks, we just put in a complete rebuild engine for this van 6.0L. The van overheated, tow to us, barely start and run at a time drop off. We replaced engine, put all new sensor: coolant, camshaft, crankshaft position. Van starts and run fine at idle, b... Trouble codes: P0300 (multiples misfire)

Fixes & Summaries for GM
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