Subaru Legacy 2003 Service Manual page 108

FUEL INJECTION (FUEL SYSTEMS)
1. General Description ....................................................................................2
2. Throttle Body.............................................................................................14
3. Intake Manifold..........................................................................................15
4. Engine Coolant Temperature Sensor........................................................26
5. Crankshaft Position Sensor.......................................................................27
6. Camshaft Position Sensor.........................................................................28
7. Knock Sensor............................................................................................29
8. Throttle Position Sensor............................................................................30
9. Pressure Sensor .......................................................................................32
10. Intake Air Temperature Sensor .................................................................33
11. Idle Air Control Solenoid Valve .................................................................34
12. EGR Valve ................................................................................................35
13. Fuel Injector ..............................................................................................36
14. Front Oxygen (A/F) Sensor .......................................................................41
15. Rear Oxygen Sensor.................................................................................43
16. Engine Control Module..............................................................................45
17. Main Relay ................................................................................................46
18. Fuel Pump Relay.......................................................................................47
19. Fuel ...........................................................................................................48
20. Fuel Tank ..................................................................................................51
21. Fuel Filler Pipe ..........................................................................................58
22. Fuel Pump.................................................................................................62
23. Fuel Level Sensor .....................................................................................64
24. Fuel Sub Level Sensor..............................................................................65
25. Fuel Filter ..................................................................................................67
26. Fuel Cut Valve...........................................................................................68
27. Fuel Damper Valve ...................................................................................69
28. Fuel Delivery, Return and Evaporation Lines............................................70
29. Fuel System Trouble in General ...............................................................73
FU(H4SO)
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