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Home >> Audi >> 2012 >> A8 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Ignition System >> 4.2L - Ignition/Glow Plug System - Engine Code: CDRA (2 Of 2) >> 28 Ignition/Glow Plug System >> Specifications >> Test Data

Test Data

Test Data 4.2L / 4V / 273 kW-Motor
Idle speed (not adjustable) Approximately 650 RPM 1)
Ignition timing Not adjustable; regulated by the control module
Ignition/glow plug system Single coil ignition system with 8 ignition coils (output stages integrated) that are connected directly to spark plugs via the ignition cables.
Spark plugs Names Parts Information
  Removing and Installing Maintenance, Diagnosis
Ignition sequence 1-5-4-8-6-3-7-2
  • 1) Depending on engine control module (ECM) requirements.