Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Knock Sensor: Service and Repair

Knock Sensor Replacement




1. Disconnect the knock sensor connector (A).
2. Remove the knock sensor (B).
3. Install the sensor in the reverse order of removal.