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Home >> Audi >> 2007 >> Q7 4.2 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> 4.2L - Ignition Servicing - Engine Code: Bar >> 28 Ignition System >> Ignition, Servicing >> Technical Data
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Technical Data

Engine Codes BAR (4.2L / 4V / 257 kW engine)
Idle speed (not adjustable) Approximately 650/min 1)
Ignition timing Not adjustable, regulated by control module
Ignition 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 =>
  Tightening specification => 406
Ignition sequence 1-5-4-8-6-3-7-2
  • 1) Depending On Engine Control Module (ECM) Requirements.
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