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Professional Automotive Repair Technical Discussions for September 15, 2023 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 | |
| 2016 Cadillac CTS V 6.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6A15S6XG This car has a misfire, on all cylinders. At idle, it will randomly misfire here and there, but if you hold the rpms up to 2k, it shows a lot of misfires on all cylinders. When driving the car, it seems to be okay under light load, but once you get to crui... Trouble codes: P0300 (Random Misfire) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2011 Chevrolet Cruze LT 1.4L Poor Idle Quality, Misfire VIN: 1G1PF5S99B Thanks everyone for taking the time to reply. I don't fully understand how the pcv system works on this engine, but the valve in the cam cover appears to be a calibrated vacuum leak. I replaced the aftermarket cover with O.E. and the cold start up improved sig... |
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