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Home >> Audi >> 1990 >> 200 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Cis Digital Control >> Knock Sensor
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Knock Sensor

If engine knocking is present, knock sensor will produce a small voltage of about 50-70 millivolts. Check fuel quality, compression pressure, knock sensor and wiring circuits if knocking exists. No other tests are available from the manufacturer.

NOTE: Testing informations for other CIS Digital Control sensors or switches are not available from manufacturer.
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