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Professional Automotive Repair Technical Discussions for November 26, 2024 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
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Fixes & Summaries for GM
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| 2012 Chevrolet Impala LT 3.6L Check engine light VIN: 2G1WB5E32C Ok guys so after taking the advice I found here I test drove the vehicle and recorded upstream o2 data at WOT along with low pressure fuel PID. I found that at WOT 4200rpm my low pressure fuel dropped to 31st and my oxygen sensors were trending lean. I did a v... Trouble codes: P0171 (System to lean bank 1), P0174 (System to lean bank two). |
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