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Prev Professional Automotive Repair Technical Discussions for October 9, 2011
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1991 Chevrolet LLV 2.5L No Start, Cuts out, Stall VIN: 1GBCS10A4M
After engine runs for 20 minutes or more engine will stall.I am losing injector pulse[spray carb cleaner into throttle body and will continue to run].Injector scope pattern is perfect cold and become erractic hot until it quits.Let cool down 30 minutes and run...
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2000 Chevrolet Silverado 1500 LT 5.3L no upshifts
This truck came in with what the owner said was locked into 4Low. I can make the truck shift out of 4X4, but now the darn thing won't upshift. I can make it shift with the scan tool, but it will not on its own. The speedometer was pegged at max, but became un-...
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2003 Chevrolet Express 2500 LS 6.0L 1-2 shift solenoid p0752 VIN: 1GBJG31U03
trans shifts fine there is no delayed engagement no limp in mode could this be a valve body issue or pcm
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Fixes & Summaries for GM
Fix/Summary Answers
1979 Chevrolet Camaro Z28 5.7L Tachometer VIN: 1G287L9N59
Hi. Thanks to eveyone that tried to help. Some guys mentioned the possibility of an aftermarket tachometer being the problem as well as the distributor. That is not it. As mentioned in the 2nd line of my post, it has a factory tach. I tried a 2nd factory distr...
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2001 Chevrolet Suburban 1500 5.3L Poor Idle Quality, Misfire VIN: 1GNFK16391
thanks for all of the good info, it ended up being a broken valve spring, put it in and the compresion came back to specs. thanks again to all. Trouble codes: P0303.
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