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Professional Automotive Repair Technical Discussions for August 31, 2023 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 | |
| 2004 Chevrolet Silverado 1500 5.3L Misfire VIN: 1GCEC14T14 Tia for any help y'all can provide. Please read related repair history. Customer returned with truck still exhibiting intermittent idle misfire. We removed the heads for a valve job and replaced a warped intake manifold. After reassembly we still had the m... Trouble codes: P0300 (Random misfire), P0420 (B1 catalyst efficiency), P0156 (B2s2 oxygen sensor circuit malfunction) |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
