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Professional Automotive Repair Technical Discussions for March 16, 2023 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 2009 Chevrolet Colorado WT 3.7L Poor Idle Quality, Stall, Misfire VIN: 1GCDT19E49 This truck died on the road. When it came to the shop it would run on only 3 cylinders. I found good compression but between 25% and 46% leakdown. I pulled the head and sent it out for a valve job. After reinstalling the head, it still misfires but it won'... Trouble codes: P0300 |
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| 2009 Chevrolet Express 2500 6.6L No Start VIN: 1GCGG29689 we replaced engine with reman. it cranks fine but doesn fire. No injector pulse, good oil pressure while cranking, good fuel pressure from transfer pump. desired vs actual pressure good. i have good crank and cam signals on scanner. pcm? maybe? Thanks ... |
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| 2021 GMC Sierra 1500 SLE 5.3L light on Hello has anyone seen this code, cant find info anywhere . Thx Al Trouble codes: B04AA |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2007 Hummer H3 3.7L Oil Light VIN: 5GTDN13E57 First of all, I would like to thank everyone that responded to this post. The switch opens with pressure, and then closes below a certain pressure, closing the 12v circuit sending 12v back to the ecm, which then illuminates the light. I checked the 12v wire, ... |
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