P0420 Catalytic Converter is bad p1320 misfire P0305 - Cylinder 5 Five Misfire
Trouble code P0420 means:Catalyst system efficiency below threshold
P0420 bank one catalytic converter efficiency failure.
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means: Catalyst Efficiency Below Normal (Bank 1)
Bank 1 (pass side on this car) catalytic converter efficiency failure.
Trouble code P0420 means: Catalyst Efficiency Below Normal (Bank 1)
P0420 is a Catalytic Converter efficiency failer. More than likely you will need a new Catalytic Converter.
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means:Catalyst system efficiency below threshold
P0420, bank one catalytic converter efficiency failure.