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Home >> Audi >> 1993 >> 100 CS, 2.8 K, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> 2.2L >> Knock Sensor
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Knock Sensor

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

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