Knock Sensor: Service and Repair

- Interrogate fault memory of DME control unit.
- Switch off ignition.
- Remove intake air manifold.




- Unclip and disconnect plug connection (1).




- Unfasten screw (1) and remove knock sensor for cylinders 1 - 3.




- Unfasten screws (2) and remove knock sensor.





CAUTION: Fitting knock sensors incorrectly during assembly causes engine damage!

NOTE: Knock sensor with short cable leads to cylinders 4 to 6.




Installation Note: Clean support face of knock sensors on engine block.

Tightening Torque = 30 Nm.

- Interrogate fault memory of DME control unit, check faults stored in memory, rectify faults, then clear fault memory.