Knock Sensor (KS) Removal/Installation - 2.3L

Disconnect the negative battery cable.

Fig 1: Disconnecting Knock Sensor (KS) Electrical Connector - 2.3L
Courtesy of MAZDA MOTORS CORP.
Disconnect the knock sensor (KS) electrical connector.

Fig 2: Removing Knock Sensor Bolt - 2.3L
Courtesy of MAZDA MOTORS CORP.
Remove the bolt and the KS.
To install, reverse the removal procedure.