Legacy Postal Wagon AWD F4-2.2L SOHC (1998)
Knock Sensor: Description and Operation
PURPOSE/OPERATION
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The knock sensor is installed on the cylinder block, and senses knocking signals.
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This knock Sensor is a piezo-electric type which converts knocking vibrations into electric signals.
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It consists of a piezo-electric element, weight, and case. If knocking occurs in the engine, the weight in the case moves causing the piezo-electric
element to generate a voltage.
