mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Manifold Pressure/Vacuum Sensor > < Knock Sensor|Specifications
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Knock Sensor: Description and Operation

Knock Sensor

Knock Sensor (KS)

The Knock Sensor (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.

Manifold Pressure/Vacuum Sensor > < Knock Sensor|Specifications