Knock Sensor (Prizm LSi)
Knock sensor, located in rear of cylinder block, sends a variable AC voltage signal to PCM depending on engine detonation. PCM uses this signal to determine if ignition timing should be retarded.
Knock sensor, located in rear of cylinder block, sends a variable AC voltage signal to PCM depending on engine detonation. PCM uses this signal to determine if ignition timing should be retarded.