Knock Sensor1 Circuit Range/Performance Bank1 on BMW
BMW
Verified1 source
1 source
- Official data (NHTSA)official_feed
What P0326 means
Caution — monitor closely
The knock sensor circuit signal on bank 1 is outside its expected range.
Driveability assessment not yet available. Get a personalized AI Second Opinion for your exact car.
General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.
Common causes
- Knock Sensor1 Circuit Range/Performance Bank1
What to check first
- Check knock sensor mounting torque
- Test sensor signal with a scan tool
Cost data coming soonUpload your estimate to check if the price is fair