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Prev Professional Automotive Repair Technical Discussions for February 6, 2020
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
1990 Chevrolet Corvette 5.7L No Start VIN: 1G1YY338XL
One for you old Corvette Club Boyz. Got this '90 Vette that got called in on for no start, no spark, no fuel. I had no communication with pcm. I have a Tech 1 so I know scanner should work. Jumping DLC connector I get a code 12- No RPM reference pulse. Ind... Trouble codes: 12 (No RPM Reference Pulse)
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2010 GMC Acadia SLT 3.6L electrical VIN: 1GKLRMED7A
Reassembled front end, did the best we could with harness, fuse box was removed and now bad in place. Have power to all engine components, inside at ign switch and power to all modules. when key on check engine light flickers,( 12 volts) and no communicati...
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Fixes & Summaries for GM
Fix/Summary Answers
2006 Chevrolet Equinox LT 3.4L heater VIN: 2CNDL63F56
wow a lot of replays! every one could it be a possibility, but in this case it was partly clogged up heater core, Dave [...] advise to tilt the c...
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2010 Chevrolet HHR LT Panel 2.4L No Start VIN: 3GNBACDV9A
pcm ground wire to transmission bellhousing was intact and low resistance, but when I power tested the ground wire it failed. I found 1 strand of wire under insulation. Repaired the wire and restested with the Hook and all was happy, car starts and runs fine. ...
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2005 GMC Sierra 1500 SLE 5.3L Cranks, not starting VIN: 1GTEK19B45
Thanks for the quick responses. After all of our hair pulling, we went back to basics. We verified spark on one plug from each bank was good during no start. It was. then we used a simple little vibration/flashing light tool to watch a few of the injectors. In...
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2016 GMC Acadia SL 3.6L No Start, No Start VIN: 1GKKVRKD4G
I almost forgot to close this one out.Come to find out the problem was in the fusebox.Put a used box in and it fixed the problem.Thank you all for the posts. KEITH [...] Trouble codes: B1380.
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