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Prev Professional Automotive Repair Technical Discussions for July 13, 2014
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet K3500 Cheyenne 6.5L Forward gear VIN: 1GCHK34FXW
The vehicle lost forward gear with the original trans. A used transmission was installed and it worked ok for a few weeks then lost forward gear again. We installed another lower mileage used transmission and it shifts ok but we want to make sure that there is...
2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, Misfire, MIL Lamp on
This vehicle has a P0300 code, I have replaced the Spider assembly, Ignition wires, cap and rotor, spark plug and miss fire returns. Fuel pressure and all systems seem normal. Idles very rough and smooths out a little when accelerated. Trouble codes: P0300 (ramdom miss fire)

Fixes & Summaries for GM
Fix/Summary Answers
1995 Cadillac DeVille 4.9L No Start VIN: 1G6KD52BXS
Thank you all for the replies. Several of you got me rethinking this problem and I indeed was on the wrong track. I have had other GM's with Pass Key issues in the past that did cause loss of injector drive, but in this case it was a bad MAP sensor. I had not ...
2000 Chevrolet Corvette 5.7L Head light Door problem VIN: 1G1YY32G2Y
Hello All Thank you all for all the great reply, like most of you said the plastic Gear on both Motors was striped, when I looked on line I found a rebuild kit for Both motors at a good Price with a brass Gear, and saved the customer some expense, to rebui...
2010 Chevrolet Corvette 6.2L MIL Lamp on VIN: 1G1YD2DW2A
even though i am not working on this vehicle i consider it fixed. the transmission tunnel harness was compromised. gm fixed the harness to a steel bracket that seems to be about a foot long and bolted that bracket to the engine. the harness was attached wit... Trouble codes: P0641 (5 volt reference circuit A).
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