Low catalytic converter efficiency.
Trouble code P0420 means:Catalyst system efficiency below threshold
P0420=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 (bank 1)
P0420, bank one catalytic converter efficiency failure.
P0420 bank one catalytic converter efficiency failure.
Trouble code P0420 means:Catalyst system efficiency below threshold
catalytic converter failure.
Trouble code P0420 means:Catalyst system efficiency below threshold
Bank 1 catalytic converter efficiency failure.