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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 12, 2021
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Open Help Requests for GM
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2013 Chevrolet Silverado 2500 HD LT 6.0L Misfire VIN: 1GC0KVCG9D
Truck misfires bad on bank 1. O2's seemed a little lazy so I replaced them. Did not help. Short term fuel trim is -18 and long term fuel trim is -26 on bank 1 at idle. Bank 2 fuel trims are at 0. Do these have common intake leaks or injector problems. Any ... Trouble codes: P0300
2010 Pontiac G6 GT 3.5L Hesitation, Misfire, MIL Lamp on VIN: 1G2ZA5EK9A
2010 Pontiac g6 3.5l. On acceleration at over 25% throttle the engine starts to break up. Misfires setting p0300. Under 25% throttle it’s fine. Misfires only showing on cylinders 1,3, and 5 when looking at data. Spark plugs, wires, mass airflow sensor have... Trouble codes: P0300 (Random misfire)

Fixes & Summaries for GM
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