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Professional Automotive Repair Technical Discussions for December 3, 2024 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 C3500 Cheyenne 7.4L Poor Idle Quality, Cuts out, Misfire, Cold VIN: 1GBJC34NXL Vehicle towed in for rough idle/ stall. Noted that the engine runs very poorly upon initial start up for approx 3-5 minuteds then runs perfectly. No codes, initially monitored tps, coolant temp, map, tested fuel pump pressure and volumn, checked timin... |
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| 2012 Chevrolet Colorado LT 3.7L Low Oil Pressure VIN: 1GCHTDFE1C This 2012 Colorado 3.7L came in for intermittent dying. The codes were for P0014 - Exhaust Camshaft Position System Performance and P0017- Camshaft/Crankshaft Correlation Watching the timing on the exhaust camshaft on an oscilloscope, the PCM holds to de... |
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| 2004 GMC Sierra 2500 HD SLE 6.6L abs VIN: 1GTHK23174 Good morning everyone. This GMC has me baffled on where to even begin. The ABS light on the dash comes on and stays on. No codes, no history codes. If I clear the codes that aren't there the light goes out and stays off until the truck is turned off. Then,... |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
