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Professional Automotive Repair Technical Discussions for March 5, 2026 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 |
Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2013 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNLC2E0XD Thanks for all the suggestions from everyone! This is an ex police vehicle, all the flex fuel programming has been removed, but the customer saw the E-85 yellow gas cap and has been putting E-85 in it recently. PCM had no idea what to do with the goofy oxy rea... Trouble codes: P0171, P0174. |
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