P0089 Audi Fuel Rail Pressure Performance
Possible causes
– Faulty fuel pressure regulator
– Fuel pressure regulator harness is open or shorted
– Fuel pressure regulator electrical circuit poor connection
– Faulty fuel pressure sensor
– Fuel pressure regulator harness is open or shorted
– Fuel pressure regulator electrical circuit poor connection
– Faulty fuel pressure sensor
What about the obd code?
Fuel rail pressure greater than 1450psi over desired rate
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0089 Audi Description
The Engine Control Module (ECM) uses commanded fuel pump flow to determine a desired fuel rail pressure. The actual fuel pressure is monitored using the Fuel Rail Pressure (FRP) Sensor.
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