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Prev Professional Automotive Repair Technical Discussions for July 10, 2023
International Automotive Technicians' Network (iATN) - Members Only
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2007 Chevrolet Silverado 2500 HD Classic LT 6.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1GCHK23UX7
This one is driving me nuts. It seems to always have something wrong. Customer complaint was, It started missing then died. Got it here and it fired right up and sounded pretty good. After it went into closed loop it started to get a miss. pinned it down t... Trouble codes: P0332 (Knock sensor 2 short/low), P0300 (Random misfire)
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Fixes & Summaries for GM
Fix/Summary Answers
2012 Buick Enclave 3.6L cooling fans VIN: 5GAKRDED7C
We found the problem!! The cooling fan speed control relay was bad. This relay supplies a direct ground for both fans for high operation.
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