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Professional Automotive Repair Technical Discussions for April 20, 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 | |
| 2006 Cadillac DTS 4.6L MIL Lamp on, open loop VIN: 1G6KD57Y86 The vehicle intermittently goes into an open loop, even when sitting at a lite. When it goes into an open loop, p0420 kicks in. When I snap the throttle, it goes into an open loop, then back to a closed loop. Trouble codes: P0420 |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
