Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
DODGE
Reported code forms P0300
Flash: MIL Illumination P0300- Multiple Cylinder Misfire This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a…
CHRYSLER, DODGE, JEEP, RAM
Reported code forms P0300
MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction…
CHRYSLER, DODGE
Reported code forms P0300
Flash: Malfunction Indicator Lamp (MIL) Illumination. Includes Various Driveability Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A…
CHRYSLER, DODGE
Reported code forms P0300
MIL Illumination P0300 and/or Engine Runs Rough With Factory Fill Fuel This bulletin involves filling the fuel tank with an additional 5 gallons of fuel, driving vehicle, then completing several start/stop cycles. The…
CHRYSLER, DODGE
Reported code forms P0300
MIL Illumination P0300 and/or Engine Runs Rough With Factory Fill Fuel This bulletin involves filling the fuel tank with an additional 5 gallons of fuel, driving vehicle, then completing several start/stop cycles. The…