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Home >> Audi >> 2012 >> A8 Base >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> 4.2L - Ignition/Glow Plug System - Engine Code: CDRA (1 Of 2) >> 28 Ignition/Glow Plug System >> Ignition System >> Test Data And Spark Plugs
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Test Data And Spark Plugs

Test Data 4.2L / 4V Engine
Idle speed (not adjustable) approximately 650 RPM 1)
Ignition timing Not adjustable; regulated by the control module
Ignition System Single coil ignition system with eight ignition coils (output stages integrated) that are connected directly to spark plugs via the ignition cables.
Spark plugs Names -
- Tightening specification => 410Spark Plugs, Replacing
Ignition sequence 1-5-4-8-6-3-7-2
  • 1) Depending on Engine Control Module (ECM) requirements.