P0201moderate severityPowertrain
Injector Circuit/Open - Cylinder 1
on 2009 Subaru Legacy 3.0L H6 · AWD
What this code means
Open circuit detected in the cylinder 1 fuel injector circuit.
Symptoms
- Check Engine Light
- Misfire cylinder 1
- Rough idle
- Loss of power
Common causes
- Faulty injector #1
- Open wiring to injector
- PCM driver failure
- Corroded connector
Diagnostic steps
- Test injector #1 resistance (typically 11-18 ohms)
- Check wiring continuity
- Swap injector with known good cylinder
- Check PCM output
Repair notes
Replace injector #1 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