| Professional Automotive Repair Technical Discussions for September 21, 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 | |
| 2016 Cadillac Escalade ESV Platinum 6.2L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GYS4KKJ9G **Repeat P0420 and persistent negative Bank 1 fuel trims after AFM delete** Greetings, This is a 2016 Cadillac Escalade with a 6.2L L86 engine and approximately 158,000 miles. The customer first brought it to us for a pre-purchase inspection. It ha... Trouble codes: P0420 |
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Fixes & Summaries for GM
| Fix/Summary | Answers |