P0420 2003 NISSAN MURANO Catalyst System Efficiency Below Threshold Bank 1
P0420 2003 NISSAN MURANO Catalyst System Efficiency Below Threshold Bank 1 . Catalyst system efficiency below threshold (bank 1). It indicates that the catalytic converter is not functioning efficiently, so the vehicle is. P0420 2003 NISSAN MURANO Catalyst System Efficiency Below Threshold Bank 1 from www.autocodes.com Great deals on newer nissan sentras in phoenix: Catalyst system efficiency below threshold (bank 1). With the sentra, obdii p0420 is often caused by a bad oxygen sensor, but there can.