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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 17, 2020
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Open Help Requests for GM
Help Request Answers
1999 Chevrolet K1500 Suburban 5.7L Encoder Motor VIN: 3GNFK16R7X
Hello Everyone Greetings from a very cold South Dakota. I am trying to fit a 'new' remanufactured encoder motor and because the lights on the new dash switch only flash and then go off when the key is turned on, I am not sure where 2Hi is and whether the n...
2008 Chevrolet Tahoe Hybrid 6.0L Mechanical VIN: 1GNFK13528
after repair in warm starting car smokes like trains. replace valve cover but it is the same.
2010 GMC Terrain SLE 2.4L Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2CTALDEWXA
The vehicle was towed in with a failed timing chain, guides and bent valves. The engine was removed, cylinder head removed and sent out to a reputable machine shop that I use to be reconditioned. The owner complained of excessive oil usage and had a bookle... Trouble codes: P0300 (random misfire)

Fixes & Summaries for GM
Fix/Summary Answers
2009 Chevrolet Malibu LS 2.4L No Start VIN: 1G1ZG57B29
After getting 2 rebuild units that wouldn't communicate, went to boneyard and got one. Installed and got communication instantly. Programmed and she fired right up. So the answer to my main question, should the pcm communicate before being programmed is yes. ...
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