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Home >> Subaru >> 1988 >> XT DL >> Repair and Diagnosis >> Engine Performance >> System >> MPFI CEC System >> Operation >> Components >> Knock Sensor
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Knock Sensor

Knock sensor is installed on cylinder block, and senses knocking signals from each cylinder. If knocking occurs, a signal is transmitted to MPFI control unit. MPFI control unit retards spark timing to prevent engine knock.