P0190moderate severityPowertrain
Fuel Rail Pressure Sensor Circuit
on 2004 Subaru Legacy 3.0L H6 · AWD
What this code means
Malfunction in the fuel rail pressure sensor circuit.
Symptoms
- Check Engine Light
- Poor running
- Hard starting
- Stalling
Common causes
- Faulty fuel rail pressure sensor
- Wiring issue
- Low fuel pressure
Diagnostic steps
- Test sensor output
- Inspect wiring
- Check fuel pressure
Repair notes
Replace fuel rail pressure sensor or repair wiring.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1