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Home >> Audi >> 2003 >> A6 Base >> Repair and Diagnosis >> Engine Performance >> System >> Ignition/Glow Plug System - 3.0L V6 AVK >> Ignition/Glow plug system >> Ignition system, checking >> Knock control stop, checking >> Test sequence >> Evaluation of ignition angle retardation
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Evaluation of ignition angle retardation

EVALUATION OF IGNITION ANGLE RETARDATION

Indicated on display Possible causes of malfunction Corrective action
All cylinders greater than 12 ° CA
  • Knock sensor faulty
  • Connector corroded
  • Knock sensor incorrectly tightened
  • Loosen knock sensor and tighten to 20 Nm.
  • Loose components on engine
  • Secure components
  • Poor fuel quality
  • Change fuel quality (see operating instructions)
One cylinder deviates significantly from the others
  • Connector corroded
  • Engine malfunction
  • Check compression:

    Repair Manual, 3.0 Liter V6 5V Engine Mechanical, Engine Code(s)-->: AVK,Repair Group 15

  • Loose components on engine
  • Secure components