Possible causes – Catalytic converter deterioration or malfunction– Exhaust system leaks– Loose front or rear HO2Ss– Faulty front heater O2 sensor– O2 sensors harness is open or shorted– O2 sensors poor electrical connection Tech description As the code description implies the P0431 code means that the vehicle’s control module has detected that the three-way catalytic…
Tag: P0431 KIA
P0431 2003 KIA SEDONA Warm Up Catalyst Efficiency Below Threshold Bank 2
Possible causes – Catalytic converter deterioration or malfunction– Exhaust system leaks– Loose front or rear HO2Ss– Faulty front heater O2 sensor– O2 sensors harness is open or shorted– O2 sensors poor electrical connection Tech description As the code description implies the P0431 code means that the vehicle’s control module has detected that the three-way catalytic…