What does code P0331 mean?
Knock sensor signal on bank 2 is outside expected range
OBD-II Code
P0331 — Knock Sensor 2 Range or Performance Bank 2
Knock sensor signal on bank 2 is outside expected range
Common symptoms
- Slight power loss
- pinging
Possible causes
- Aged sensor
- lean mixture
Initial recommendation
Check air fuel mixture, fuel quality and knock sensor operation.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0331 with your vehicle's actual symptoms for more complete diagnostic guidance.
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