Fault codes › P0331
P0331
Knock Sensor 2 Circuit Range/Performance Bank 2
Generic code
Ignition System
Medium severity
Moderate repair
Free on OBD DashX
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iWhat P0331 means
- The fault code P0331 indicates that there is an issue with the knock sensor 2 circuit in bank 2. This may cause the engine to run poorly or not start at all.
!Possible symptoms
- Illuminated check engine light
- Engine knocking or pinging sounds
- Reduced engine power or acceleration
- Poor fuel economy
?Possible causes
- Failed knock sensor
- Wiring or connection issues in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
⚙Related parts
- Knock Sensor: Knock sensor detects knocking in the engine
✓Possible solutions
- Replace the knock sensor
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary