Trouble code P0420 means: Catalyst Efficiency Below Normal (Bank 1)
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
P0420 : catalyst efficiency failure. You have a failed catalytic converter.
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means:Catalyst system efficiency below threshold
Catalytic converter efficiency failure.
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means: Catalyst Efficiency Below Normal (Bank 1)
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
trouble code P0420 means: Catalyst Efficiency Low - A Bank