Grand Marquis V8-4.6L Flex Fuel (2010)
Knock Sensor: Description and Operation
ENGINE CONTROL COMPONENTS
Knock Sensor (KS)
The KS 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.
Two Types Of Knock Sensor (KS)
