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Professional Automotive Repair Technical Discussions for June 12, 2021 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 | |
| 2008 Chevrolet Suburban 1500 LTZ 5.3L Excessive Emissions, MIL Lamp on VIN: 3GNFK16338 Hey IATN community, I have a head scratcher here, or maybe I'm just making a mountain out of a molehill. So, the vehicle came to my shop after multiple repairs elsewhere that did not fix issue. Issue was CEL, intermittent misfire, and intermittent low powe... Trouble codes: P0420 (Catalyst system low efficiency B1), P0430 (Catalyst system low efficiency B2), P0573 (Brake switch circuit 1 high voltage), P1133 (HO2S insufficient switching B1S1), P1153 (HO2S insufficient switching B2S1) |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
