Knock Sensor (KS)
KS consists of a piezoelectric crystal encased in a metal and plastic housing. Vibrations in engine cause crystal to generate small amounts of voltage. This voltage signal is used by ECU to determine necessary timing retardation.
KS consists of a piezoelectric crystal encased in a metal and plastic housing. Vibrations in engine cause crystal to generate small amounts of voltage. This voltage signal is used by ECU to determine necessary timing retardation.