P0090 Audi Fuel Pressure Regulator Control Circuit
Possible causes
– Faulty fuel pressure sensor
– Fuel pressure sensor harness is open or shorted
– Fuel pressure sensor electrical circuit poor connection
– Faulty Engine Control Module (ECM)
– Fuel pressure sensor harness is open or shorted
– Fuel pressure sensor electrical circuit poor connection
– Faulty Engine Control Module (ECM)
What about the obd code?
If the current is outside of the expected range, DTC P0090 Audi will set.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0090 Audi Description
The Engine Control Module (ECM) supplies power and ground to the Fuel Rail Pressure (FRP) regulator. The ECM monitors current on the circuits to detect a failure.
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