P12A1 AUDI – Fuel Rail Pressure Sensor Inappropriately Low

P12A1 AUDI Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P12A1 AUDI Possible Causes

Faulty Fuel Rail Pressure Sensor,Fuel Rail Pressure Sensor harness is open or shorted,Fuel Rail Pressure Sensor circuit poor electrical connection

P12A1 AUDI Description

The Engine Control Module (ECM) monitors the Fuel Rail Pressure Sensor. The ECM sets the OBDII code when the Fuel Rail Pressure Sensor is not to factory specifications.