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Professional Automotive Repair Technical Discussions for December 15, 2019 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 | |
| 1997 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13RXV This is my shop truck that pushes snow and dead vehicles into the shop. It has a no start condition with no codes. It cranks over and will try to fire up when cold for a couple of seconds and continue to crank over with no fire. But when you release the ke... |
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| 2004 GMC Canyon SLE 3.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1GTDT13644 Truck came in running rough. Code P0300 engine misfire, watch misfire data and cylinders #4 & 5 are constantly misfiring. Checked fuel pressure, 62psi. Swapped plugs and coils from 2 & 3 to 4 & 5, miss stays on 4 & 5. Checked compression on 3, 4, & 5, all ... Trouble codes: P0300 (engine misfire) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2010 Chevrolet Equinox LT 2.4L Rdcm VIN: 2CNFLNEW4A After determining all the communication lines were working correctly. We noticed that the enable feed to wake up the module was only showing 8 volts . Finally traced the wire to the left front driver compartment under the carpet . There is a plastic conduit th... |
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| 2003 GMC Sierra 3500 SLE 6.6L Cuts out VIN: 1GTJK33163 Thanks to everyone for their help and time I have used a vantage scope and scoped powers and grounds at the FICM and all looked good. Those T pins that Glenn mentioned worked good for back probing connectors. Also scoped cam and crank sensors checked power a... |
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