P0420 Dodge Charger
Oxygen bank heater o2 p0141 p0420 p0138 catalyst voltage malfunction system threshold downstream efficiency carparts gasoline p0135 dtc P0420 code: catalyst system efficiency below threshold (bank 1)
Oxygen bank heater o2 p0141 p0420 p0138 catalyst voltage malfunction system threshold downstream efficiency carparts gasoline p0135 dtc P0420 code: catalyst system efficiency below threshold (bank 1)