P0331moderate severityPowertrain
Knock Sensor 2 Circuit Range/Performance Bank 2
on 1997 Buick Century 3.1L V6 · FWD
What this code means
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.
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