Bank 1 catalytic converter efficiency failure.
P0420, bank one catalytic converter efficiency failure.
Trouble code P0420 means: Catalyst System Efficiency Below Threshold (Bank 1)
P0420 bank one catalytic converter efficiency failure.
Usual first sign is a check engine light with a code P0420.Usual first sign is a check engine light with a code P0420.
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means:Catalyst system efficiency below threshold
P0420 Catalytic Converter is bad p1320 misfire P0305 - Cylinder 5 Five Misfire
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means:Catalyst system efficiency below threshold
Code P0420 means "Catalyst System Efficency Below Threshold (Bank 1)" P0420 is actually Catalyst System Efficiency Below ThresholdCatalyst System Efficiency Below Threshold. Bank 1 is the side of the engine with cylinder #1. This code means that the catalytic converter is not cleaning the exhaust properly or the oxygen sensors are sending false info to the computer.
Trouble code P0420 means:Catalyst system efficiency below threshold
P0420 is catalytic converter efficiency failure.