Description OBD-II Trouble Code Description for P0409 Alfa Romeo Exhaust Gas Recirculation Sensor “A” Circuit What does this mean? OBD2 Code P0409 Alfa Romeo definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is…
Tag: P0409
P0409 Acura Exhaust Gas Recirculation (EGR) (Sensor A) Circuit Malfunction
Description OBD-II Trouble Code Description for P0409 Acura Exhaust Gas Recirculation Sensor “A” Circuit What does this mean? OBD2 Code P0409 Acura definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of…