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Professional Automotive Repair Technical Discussions for April 27, 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 | |
| 2002 Chevrolet Trailblazer LS 4.2L Misfire VIN: 1GNDS13S62 I have switched coils and plugs, smoke tested for vacuum leaks, done a compression test running and cranking, spark jumps 25kv and have not had any luck so far. I checked the injectors with my power probe 4 at the pcm and they all give the same readings. I... Trouble codes: P0300 (Random misfire) |
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| 2008 GMC Envoy Denali 5.3L oil pressure VIN: 1GKET63M98 Envoy came in a 4mos. /5k miles ago for zero oil pressure. Had a P0521 for oil pressure sensor perf. I replaced sensor and filter with Delco part. Truck is back with same problem. Customer states pressure was at zero and crept up with increased rpm. He cla... |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
