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Home >> Saab >> 2001 >> 9-3 Base, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Ignition System >> Timing Control Systems >> Knock Sensor (KS)
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Knock Sensor (KS)

No external knock sensor is used on Trionic engine management system. Knock control is accomplished by measuring spark plug resistance and adjusting ignition timing accordingly.