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P0300 Diagnostic Trouble Code Discussion for September 2021

Multiple Misfire Detected

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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2014 Mazda 3 i Grand Touring 2.0L Poor Idle Quality VIN: JM1BM1M73E
... dirty and my Tech recommended a EFI cleaning which we did. When the customer left he felt a rough idle and he brought it back, we reset the code P0300, P0301. He drove it couple of days hopping idle will relearn but i...
September 17, 2021
2004 Dodge Grand Caravan SXT 3.8L Misfire VIN: 2D4GP44L44
P0300: Multiple Cylinder Misfire Detected. This van came in with codes P0300 and P0302, idles perfect only misfires when you accelerate wide open. when it misfires it counts up on cylinder 2 and 6 together like its a dead misfire. the van drives great until wide open then its hardly drive-able. we ...
September 23, 2021