Knock Sensor (KS) Removal/Installation - 2.3L

Disconnect the negative battery cable.
Disconnect the knock sensor (KS) electrical connector.

Fig 1: Disconnecting Knock Sensor (KS) Electrical Connector
Courtesy of MAZDA MOTORS CORP.
Remove the bolt and the KS.

Fig 2: Removing KS Bolt - With Torque Specification
Courtesy of MAZDA MOTORS CORP.
To install, reverse the removal procedure.