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Professional Automotive Repair Technical Discussions for November 23, 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 | |
| 2012 Chevrolet Impala LT 3.6L Check engine light VIN: 2G1WB5E32C I have codes P0171 and P0174. 38% positive fuel trim at idle and around 25% positive cruising and WOT. I blocked off purge, blocked off pcv, smoke tested intake, inspected intake tube, used propane around intake with no change in fuel trim, smoke tested ex... Trouble codes: P0171 (System to lean bank 1), P0174 (System to lean bank two) |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
