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Home >> Audi >> 2004 >> A4 Quattro, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> 3.0L - Ignition System, Generic Scan Tool, Engine Codes: AVK, BGN >> Ignition System >> Ignition system, checking >> Check knock sensors >> Test requirement:

Test requirement:

NOTE:
  • Knock Sensor (KS) 1 -G61- and Knock Sensor (KS) 2 -G66- themselves cannot be electrically tested.
  • When servicing terminals in harness connector of knock sensors, use only gold-plated terminals.
  • For the Knock Sensors to function properly, it is important for tightening torque to be exactly 20 N.m.
  • Check harness connector from knock sensor to wiring harness for corrosion.
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