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Home >> Jeep >> 1987 >> Cherokee Limited >> Repair and Diagnosis >> Engine Performance >> System >> 2.5L TBI System >> Operation >> Sensors & Switches >> Knock Sensor

Knock Sensor

The knock (detonation) sensor, located in the cylinder head, provides an input signal to the ECU whenever detonation occurs. The ECU then retards ignition advance to eliminate the detonation at the applicable cylinders.