Removal - 4 Cylinder

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.

The knock sensor threads into the side of the cylinder block. See Fig 1.

Fig 1: Knock Sensor - 4 Cylinder

Courtesy of DAIMLERCHRYSLER CORP.

Disconnect electrical connector from knock sensor.
Use a crow foot socket to remove the knock sensors.