Catalytic converter efficiency failure.
Trouble code P0420 means:Catalyst system efficiency below threshold
Catalytic converter effiecency failure.
Trouble code P0420 means:Catalyst system efficiency below threshold
what does trouble code p0420 means on 2000 daewoo laganza
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
For 1996 and newer Trouble code P0420 means:Catalyst system efficiency below threshold (bank 1)
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0302 means: Cylinder 2 Misfire Detected