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Professional Automotive Repair Technical Discussions for February 24, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 GMC K2500 Sierra SL 5.7L No Start VIN: 1GTGK24R3Y Ignition system has no spark, coil checked good, 12V on ckt 439 to coil good (verified, not ghost V), good square wave to VCM on ckt 573, good square wave on ckt 423 from VCM to ICM, ground for ICM(ckt 451 good). Primary signal waveform from ICM to ignitio... Trouble codes: P0327 (knock sensor) |
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| 2002 Pontiac Sunfire SE 2.2L Cooling Systems VIN: 3G2JB12402 this car have a minor coolant leak by the cylinder head in a hole just Under the no 4 intake runner.the coolant drops on the oil pump driver then on the tranny.never seen this before,any GM guru have an idea? |
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| 2001 Saturn L300 3.0L engine management VIN: 1G8JW52R51 Good evening everyone. This is my first time asking for help here so here goes... I have a Saturn that came in a week ago. Owner states that the car dies out after 10 minutes of running it. Had no codes when it came in. I hooked it up to the scanner look... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 GMC Sierra 2500 HD SLT 6.6L Poor Idle Quality VIN: 1GTHK29296 Thanks everyone for helping on this one. I did go back and make sure the egr was closed. I was going to sell a set of injectors and thought I would reflash the PCM with the latest software and had some trouble reflashing. Then the truck would not start at all.... |
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