P0521 Audi Engine Oil Pressure Sensor/Switch Circuit Range/Performance
Possible causes
– Low oil level or motor mechanical fault
– Faulty oil pressure sensor
– Oil Pressure Sensor harness is open or shorted
– Oil Pressure Sensor circuit poor electrical connection
– Faulty oil pressure sensor
– Oil Pressure Sensor harness is open or shorted
– Oil Pressure Sensor circuit poor electrical connection
What about the obd code?
The P0521 Audi is detected when the signal sent from oil pressure sensor to PCM goes out of range.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Oil pressure warning light ON.
– Oil pressure warning light ON.
P0521 Audi Description
The PCM continuously monitors the engine oil pressure. The Oil Pressure Sensor/Switch sends a signal to the PCM when the engine is running.
Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8 V10,Audi R8 GT,Audi A8L