P0236moderate severityPowertrain
Turbocharger/Supercharger Boost Sensor A Range/Performance
on 2004 Subaru Legacy 3.0L H6 · AWD
What this code means
The boost pressure sensor A reading is out of expected range.
Symptoms
- Check Engine Light
- Incorrect boost levels
- Poor performance
Common causes
- Sensor fault
- Boost leak
- Blocked sensor port
Diagnostic steps
- Compare sensor to actual boost
- Check for boost leaks
- Clean sensor port
Repair notes
Replace sensor or repair boost leak.
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