P0300 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
DODGE
Reported code forms P0300
Flash: 3.6L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with update software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination.…
Read communication ↗
CHRYSLER, DODGE, JEEP
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…
Read communication ↗
CHRYSLER, DODGE, JEEP
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…
Read communication ↗
CHRYSLER, DODGE, JEEP
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…
Read communication ↗
CHRYSLER, DODGE, JEEP
Reported code forms P0300
MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension)
Read communication ↗
CHRYSLER, DODGE, JEEP
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…
Read communication ↗
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…
Read communication ↗
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…
Read communication ↗
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…
Read communication ↗