F 250 4WD Super Duty V10-6.8L VIN S (2001)
Knock Sensor: Description and Operation
Knock Sensor
Two Types Of Knock Sensor (KS)
The Knock Sensor (KS) (Figure 35) is a tuned accelerometer on the engine which converts engine vibration to an electrical signal. The PCM uses this
signal to determine the presence of engine knock and to retard spark timing.
