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Home >> Audi >> 2025 >> RS 6 Avant Performance >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Component Locations: Engine >> Component Locations: Engine >> 2.2L AAN Overview
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2.2L AAN Overview

Fig 1: Identifying Engine Components (2.2L, AAN)
GWWV24-0763Courtesy of AUDI OF AMERICA, LLC
  1. 1 -  Engine coolant temperature sensor -G62-
    • Located on rear of cylinder head
  2. 2 -  Heated oxygen sensor -G39-
  3. 3 -  Heated oxygen sensor -G39-
  4. 4 -  Connector for Oxygen sensor heater -Z19-
  5. 5 -  Connector for ignition coils
  6. 6 -  Connector for ignition coils
  7. 7 -  Harness for Crankshaft position sensor G4
  8. 8 -  Engine speed sensor -G28-
  9. 9 -  Harness for Knock sensor 1 -G61-
  10. 10 -  Moisture separator
  11. 11 -  Harness for Knock sensor 2 -G66-
  12. 12 -  Crankshaft position sensor -G4-
  13. 13 -  EVAP canister purge regulator valve 1 -N80-
  14. 14 -  Knock sensor 2 -G66-
  15. 15 -  Idle stabilization valve -N71-
  16. 16 -  Mass airflow sensor potentiometer -G19-
  17. 17 -  Wastegate bypass regulator valve -N75-
  18. 18 -  Deceleration fuel shut-off valve
  19. 19 -  Heated oxygen sensor -G39-
  20. 20 -  Camshaft position sensor -G40-
  21. 21 -  Fuel pressure regulator
  22. 22 -  Ignition coils
  23. 23 -  Fuel injectors
  24. 24 -  Knock sensor 1 -G61-
  25. 25 -  Throttle position sensor -G69-
  26. 26 -  Intake air temperature sensor -G42-
  27. 27 -  Throttle body
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