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Home >> Jeep >> 1990 >> Wrangler S >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Input Devices >> Detonation (Or Knock) Sensor
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Detonation (Or Knock) Sensor

Sensor generates input signal to ECU when detonation occur. ECU uses this information to adjust ignition advance to eliminate detonation at appropriate cylinders.