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P0300 Diagnostic Trouble Code Discussion for April 2024

Multiple Misfire Detected

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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2012 Jeep Liberty Sport 3.7L Misfire VIN: 1C4PJMAK8C
P0300: Multiple misfire. Car came in with check engine light on. It misfire at idle and numbers 5 and 6 misfire at idle sometimes 3. Compression test 160 . Vacuum gauge 20 in and steady. Swamped injectors no change. Car runs good off idle and no misfire. Notice cam/ crank sync goe...
April 01, 2024
2003 Mazda B4000 SE 4.0L Misfire, MIL Lamp on, Extreme lean VIN: 4F4ZR47E13
P0300: Multiple Misfire Detected. I'm at a bit of a loss here due to conflicting data. Not sure if I'm overlooking something, but I suspect the computer is the issue. It came in with an extreme lean condition both banks, at times around 45% ST which is higher than anything I recall seei...
April 04, 2024
2000 Lexus GS300 3.0L Hesitation, Misfire, MIL Lamp on VIN: JT8BD68SXY
P0300: Multiple Cylinder Misfire Detected. Hey y'all, got myself a bit of a strange one here. This GS showed up with a complaint of intermittent misfire, customer stated seemed to happen mostly on turns. We've done some work on this vehicle (the customer has as well and he's not really a hack), so ...
April 29, 2024