P0331
Knock Sensor 2 Circuit Range/Performance Bank 2
1996-1996 Subaru Legacy 2.2L H4
Moderate SeverityPowertrainGeneric (SAE)
The 1996 Subaru Legacy is equipped with a 2.2L flat-4 engine. Below you'll find detailed p0331 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Knock sensor 2 signal out of range.
Symptoms
- Check Engine Light
- Reduced power
Common Causes
- Sensor damaged
- Mounting issue
Diagnostic Steps
- Test sensor
- Verify mounting
Repair Notes
Replace sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0331 on Other Vehicles
Common Questions
What does code P0331 mean on a 1996-1996 Subaru Legacy?
P0331 stands for "Knock Sensor 2 Circuit Range/Performance Bank 2". Knock sensor 2 signal out of range.
What are the symptoms of P0331 on a Subaru Legacy?
Common symptoms of P0331 include: Check Engine Light, Reduced power.
What causes P0331 on a 1996-1996 Subaru Legacy?
Common causes of P0331 include: Sensor damaged, Mounting issue.
Last updated: March 2026