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Prev Professional Automotive Repair Technical Discussions for August 3, 2014
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Astro 4.3L Front wheel bearings VIN: 1GNEL19W5V
Hello all, customer came in with his front differential shot. We removed the front driveshaft from the front differential to the transfer case. The front diff bearing failed and the pinion is moving up down ,left and right. Due to lack of funds the customer ca...
2004 GMC Envoy SLT 4.2L Hesitation VIN: 1GKET12S84
This vehicle was brought in and when stepping on gas reduced power light comes on and vehicle seems to be in almost a limp mode. Can not get over 30 miles per hour. It has very little power. I have been checking posts and was wondering if it needs updated prog... Trouble codes: P0641, P2138 (Po122-), P0122, P2135 (Po651-), P0651

Fixes & Summaries for GM
Fix/Summary Answers
2014 Chevrolet Corvette Stingray 6.2L Monitor status VIN: 1G1YK2D75E
Thanks all for the help. I knew about the various cold start drive cycles mentioned in the replies. I drove a few of them and finally got the O2 to run, still no evap. Took a few shops before I found someone that would test it with one incomplete, but it's don...
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