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Home >> Saab >> 2003 >> 9-3 Vector, Standard >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger System, Petrol (Late; 9440) >> Technical description >> Functional diagram

Functional diagram

Fig 1: Identifying Turbocharger System Functional Diagram
G03604554Courtesy of SAAB-SCANIA OF AMERICA, INC.
  1. Non-return valve, crankcase ventilation
  2. Filter element
  3. Mass air flow sensor (205)
  4. Turbo
  5. Charge air cooler
  6. Wastegate
  7. Wastegate valve (605)
  8. Throttle body actuator (604)
  9. Intake air temperature sensor (407)
  10. Manifold absolute pressure sensor (431)
  11. Engine
  12. Crankcase ventilation, oil trap
  13. Non-return valves
  14. EVAP canister purge valve (321)
  15. EVAP emission canister
  16. Wastegate valve
  17. Charge air regulator
  18. Solenoid valve, charge air (179a)
  19. Oxygen sensors (592, 593)
  20. Catalytic converter
  21. Exhaust temperature sensor (602)
  22. Front silencer
  23. Rear silencer
  24. Vacuum pump
  25. Brake servo
  26. Rear valve
  27. Fuel pressure regulator
  28. Pressure sensor, atmospheric pressure (539)
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