LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 1990 >> 80 Base, 2.0 B, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> Cis Digital Control >> Knock Sensor
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

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.