Category: Acura

P0433 Acura Heated Catalyst Efficiency Below Threshold Bank 2 Possible causes – Air leak before catalytic converter– Faulty oxygen sensor– Faulty Catalytic Converter Tech description As the code description implies the P0433 Acura code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient…

P0434 Acura Heated Catalyst Temperature Below Threshold Bank 2 Possible causes – Air leak before catalytic converter– Faulty oxygen sensor– Faulty Catalytic Converter Tech description As the code description implies the P0434 Acura code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient…

P0435 Acura Catalyst Temperature Sensor Circuit Bank 2 Sensor 1 Possible causes – Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection– Faulty Catalyst Temperature Sensor Tech description As the code description implies the P0435 Acura code means that the vehicle’s control module has detected that the three-way catalytic…

P0436 Acura Catalyst Temperature Sensor Range/Performance Bank 2 Sensor 1 Possible causes – Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection– Faulty Catalyst Temperature Sensor Tech description As the code description implies the P0436 Acura code means that the vehicle’s control module has detected that the three-way catalytic…

P0430 Acura Catalyst System Efficiency Below Threshold Bank 2 Possible causes – Three way catalyst converter Bank 2– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0430 Acura code means…

P0431 Acura Warm Up Catalyst Efficiency Below Threshold Bank 2 Possible causes – Warm Up Three Way 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…

P0426 Acura Catalyst Temperature Sensor Range/Performance Bank 1 Sensor 1 Possible causes – Faulty Catalyst Temperature Sensor– Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection Tech description As the code description implies the P0426 Acura code means that the vehicle’s control module has detected that the three-way catalytic…

P0427 Acura Catalyst Temperature Sensor Low Input Bank 1 Sensor 1 Possible causes – Faulty Catalyst Temperature Sensor– Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection Tech description As the code description implies the P0427 Acura code means that the vehicle’s control module has detected that the three-way…

P0428 Acura Catalyst Temperature Sensor High Input Bank 1 Sensor 1 Possible causes – Faulty Catalyst Temperature Sensor– Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection Tech description As the code description implies the P0428 Acura code means that the vehicle’s control module has detected that the three-way…

P0429 Acura Catalyst Heater Control Circuit Bank 1 Possible causes – Faulty Catalyst Temperature Sensor– Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection Tech description As the code description implies the P0429 Acura code means that the vehicle’s control module has detected that the three-way catalytic converter is…

P0420 Acura Catalyst System Efficiency Below Threshold Bank 1 Possible causes – Three way catalyst converter Bank 1– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0421 Acura code means…

P0421 Acura Warm Up Catalyst Efficiency Below Threshold Bank 1 Possible causes – Warm Up Three Way 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…

P0423 Acura Heated Catalyst Efficiency Below Threshold Bank 1 Possible causes – Air leak before catalytic converter – Faulty oxygen sensor– Faulty Catalytic Converter Tech description As the code description implies the P0423 Acura code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as…

P0424 Acura Heated Catalyst Temperature Below Threshold Bank 1 Possible causes – Air leak before catalytic converter – Faulty oxygen sensor– Faulty Catalytic Converter Tech description As the code description implies the P0424 Acura code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as…

P0425 Acura Catalyst Temperature Sensor Circuit Bank 1 Sensor 1 Possible causes – Faulty Catalyst Temperature Sensor– Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection Tech description As the code description implies the P0425 Acura code means that the vehicle’s control module has detected that the three-way catalytic…