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Prev Professional Automotive Repair Technical Discussions for November 25, 2014
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Open Help Requests for GM
Help Request Answers
2004 Chevrolet Avalanche 1500 Z66 5.3L Battery VIN: 3GNEK12T54
Hope some one can help I'm stumped battery goes dead over night tested alt and battery both r good . I connected my volt meter between the negative cable and battery I have a 12v draw pulled all fuses and relays no Change removed all after market ad ons same t...
2005 Chevrolet Tahoe LS 5.3L dash lights VIN: 1GNEC13TX5
Hi everybody, and thanks in advance. The problem is the lights on the IP, radio, door switches etc, flicker when you shut the engine off and take the key out. the only way to stop them is disconnecting the battery. This is my neighbors vehicle, and Im at home,...
2008 Chevrolet Avalanche LS 5.3L misfire VIN: 3GNFK123X8
misfire in #7 but cel only shows a p0300

Fixes & Summaries for GM
Fix/Summary Answers
2000 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEK19T3Y
After reviewing the test results and finding the STFT reading not within range, and replacing the fuel injectors. I replaced pre cat O2's as something that is low cost and made sense to try based on all the other information. Now truck runs great and all the c... Trouble codes: P0306.
2005 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNEK13T55
Most replies centered around smoke testing the exhaust to look for exhaust leaks and checking wiring and connectors, etc from the sensor in question back to the computer. The customer has yet to return to allow me to do this. He is deciding whether to spend ... Trouble codes: P0157.
2008 Pontiac Grand Prix 3.8L hvac VIN: 2G2WP55238
As stated i pulled the motor off and door moves freely. Used control head did the same thing. I believe i have a bad control head but customer did not want to spend the money. Thanks again.
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