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

Spark Control (Knock Sensor ) Module

Removing/Replacing Knock Sensor Module:





The knock sensor module is located in the top of the ECM / PCM.