Quest Minivan GXE V6-2960cc 3.0L SOHC MFI (VG30E) (1997)
Knock Sensor: Description and Operation
COMPONENT DESCRIPTION
The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder
block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the ECM.
* Freeze frame data will not be stored in the ECM for the knock sensor The MIL will not light for knock sensor malfunction.