Possible causes – Air leak before catalytic converter – Faulty oxygen sensor– Faulty Catalytic Converter Tech description As the code description implies the P0424 code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2)…
Tag: VOLKSWAGEN
P1631 VOLKSWAGEN Accelerator Pedal Position Sensor 1 Signal Too High
Possible causes – Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection– Faulty Accelerator Pedal Position Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1639 VOLKSWAGEN Accelerator Pedal Position Sensor 1/2 Range Performance
Possible causes – Accelerator pedal position sensor open or short circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1639 VOLKSWAGEN OBD Code Description Open or short circuit condition