Legend Sedan V6-3206cc 3.2L SOHC FI (1995)
Knock Sensor: Description and Operation
PURPOSE
Informs the Engine Control Module (ECM) of engine knock, so that engine timing and mixture can be adjusted to correct the potentially
damaging preignition.
OPERATION
Tuned to vibrate sympathetically with vibrations characteristic of an engine with improper combustion. When vibrating, it generates a voltage
signal.
CONSTRUCTION
A Piezoelectric sensing element, in a threaded housing. Installed as a pair, one for each cylinder head.