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Professional Automotive Repair Technical Discussions for September 29, 2022 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
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2019 GMC Sierra 2500 HD 6.0L Poor Idle Quality, Poor Idle Quality VIN: 2GT22NEG6K Hello All, came in with a slight misfire at idle. CEL on with random misfire code P0300. using modis found that the only cylinder with misfire counters was cylinder #6. Plug looked ok but installed a an AC Delco plug anyways. switched #4 and #6 wires but s... Trouble codes: P0300 |
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2006 Saturn Vue 3.5L Poor Idle Quality, Poor Idle Quality VIN: 5GZCZ634X6 Looking at data fuel trims at idle b1 st is -27 long term -3 . Bank 2 st is 5 and long term 7 also looking at voltages on air ratio sensors bank 1 upstream is .0008 and bank 2/upstream is at 1.789 . Down steams are at bank 1 789 bank 2 801. . I can unplug ... |
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Fixes & Summaries for GM
Fix/Summary | Answers |