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Prev Professional Automotive Repair Technical Discussions for September 29, 2022
International Automotive Technicians' Network (iATN) - Members Only
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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
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