P0330moderate severityPowertrain
Knock Sensor 2 Circuit Bank 2
on 2019 Mazda Mazda3 2.5L I4 · FWD
What this code means
Malfunction in the knock sensor 2 circuit for Bank 2.
Symptoms
- Check Engine Light
- Reduced power
- Possible pinging
Common causes
- Faulty knock sensor
- Wiring damage
- Incorrect torque
Diagnostic steps
- Test sensor resistance
- Inspect wiring
- Check mounting
Repair notes
Replace knock sensor Bank 2.
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