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P0308 Diagnostic Trouble Code Discussion for August 2011

Cylinder 8 Misfire Detected

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Trouble Ticket Help Requests for DTC P0308
Help Request Posted
2005 Lexus GX470 4.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTJBT20X85
P0308: Cylinder 8 Misfire Detected. The vehicle ran great for 150 plus miles before it came in with the missfire problems it has now. I smoke tested the intake system and found no vacuum leaks. I replaced all the spark plugs and swapped in a new coil, still has miss fire. I have injector pulse. ...
August 02, 2011