Knock sensor - removal and refitting

Removal
1 The knock sensor is screwed into the cylinder block, near the oil filter (see illustration).

15.1 Knock sensor location - 1.4 CFI engine
15.1 Knock sensor location - 1.4 CFI engine

A Knock sensor
B Wiring plug
C Securing bolt

2 Disconnect the battery negative lead.

3 Disconnect the sensor wiring plug by depressing the plug locking lugs and pulling the plug from the sensor. Do not pull on the wiring.

4 Unscrew the securing bolt and withdraw the sensor from the cylinder block.

Refitting
5 Refitting is a reversal of removal, but ensure that the mating faces of the sensor and cylinder block are clean.

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