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
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
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means:Catalyst system efficiency below threshold (bank 1)
Trouble code P0420 means: Catalyst Efficiency Below Normal (Bank 1)
P0420 is 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