P0106moderate severityPowertrain
MAP/BARO Pressure Circuit Range/Performance
on 2004 Subaru Legacy 3.0L H6 · AWD
What this code means
The MAP sensor reading is not changing appropriately with engine load changes.
Symptoms
- Check Engine Light
- Poor fuel economy
- Hesitation
- Stalling
Common causes
- Vacuum leak
- Clogged MAP sensor port
- Faulty MAP sensor
- EGR system issue
Diagnostic steps
- Monitor MAP reading at idle vs 2500 RPM
- Check for vacuum leaks
- Inspect MAP sensor port
- Test EGR system
Repair notes
Clean MAP port, repair vacuum leaks, or replace sensor.
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