P0300 Diagnostic Trouble Code Discussion for November 2026
Multiple Misfire Detected
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| Help Request | Posted | |
| 2011 Nissan Frontier PRO-4X 4.0L Misfire VIN: 1N6AD0CW5B P0300: Misfire detected. Vehicle intermittently sets DTC P0300 despite exhibiting no noticeable drivability concerns. - Engine idles smoothly with no perceptible misfire. - No hesitation, stumbling, or lack of power during acceleration. - Vehicle operates smoothly throughout all... |
November 11, 2026 | |
| 2012 Chevrolet Express 1500 4.3L Misfire VIN: 1GCSGAFX9C hello i have this van im going dead it is misfire at idle only high speed run good and 0 misfire on misfire on data . another shop did injector wiignition wire and coil spark plug and gave up i check injector signal all good injector kill with scanner numb... |
November 12, 2026 |
