Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Service and Repair


Knock Sensor Location:






WARNING: Perform this on a engine that has cooled to prevent burns.

1. Disconnect 1-wire (RED/BLU) connector from Knock Sensor.
2. Remove Knock Sensor from cylinder head.
3. Install new knock sensor, torque to 32 Nm (23 ft lb).
4. Re-connect 1-wire connector to sensor.