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System Overview: 4-Cylinder

WARNING: This page is about a different car, the 2002 Saab 9-5 and 2001 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Control Module (589)
  2. Crankshaft Position Sensor (345)
  3. Mass Air Flow Sensor (205)
  4. Manifold Absolute Pressure Sensor (431)
  5. Charge Air Absolute Pressure Sensor (603)
  6. Intake Air Temperature Sensor (407)
  7. Coolant Temperature Sensor (202)
  8. Throttle Body (604)
  9. Limp-Home Solenoid (607)
  10. Charge Air Control Valve (179a)
  11. Control Valve, Bypass (605)
  12. Cruise Control Switch (141)
  13. Oxygen Sensor 1 (592Fa)
  14. Oxygen Sensor 2 (592Ra)
  15. EVAP Canister Purge Valve (321)
  16. EVAP Canister Shut-Off Valve (588)
  17. Tank Differential Pressure Sensor (585)
  18. Injectors (206)
  19. Ignition Discharge Module (346)
  20. Clutch Pedal Switch (133)
  21. Brake Pedal Switch (134)
  22. Brake Light Switch (29)
  23. Main Relay (229)
  24. A/C Relay (156)
  25. Fuel Pump Relay (102)
  26. Limp-Home Solenoid Relay (640)
    NOTE: A/C relay is mounted on the main relay board in engine compartment.
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