Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0420 means: Catalyst Efficiency Below Normal (Bank 1)
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 (driver side) catalyst efficiency failure. The driver side catalytic converter has failed.
Catalytic converter efficiency failure.
Trouble code P0420 means:Catalyst system efficiency below threshold (bank 1)
Catalytic converter efficiency failure.
On a 2003 Lincoln Navigator : The check engine light / service engine soon light is a drawing of an engine located directly under the center of the tachometer
The check engine light on a 2003 Honda Accord will be triggered when something on the engine is malfunctioning. To rid the check engine a light the ECU will need to be reset.
Bank one catalytic converter failure.
P0601 Internal Control Module Memory Check Sum ErrorThe engine computer has failed.P0601 Internal Control Module Memory Check Sum ErrorThe engine computer has failed.