Subaru Legacy 2004 Service Manual page 146

FUEL INJECTION
(FUEL SYSTEMS)
FU(H4SO 2.0)
1. General Description ....................................................................................2
2. Throttle Body.............................................................................................10
3. Intake Manifold..........................................................................................11
4. Engine Coolant Temperature Sensor........................................................20
5. Crankshaft Position Sensor.......................................................................21
6. Camshaft Position Sensor.........................................................................22
7. Knock Sensor............................................................................................23
8. Throttle Position Sensor............................................................................25
9. Manifold Absolute Pressure Sensor..........................................................26
10. Intake Air Temperature Sensor .................................................................27
11. EGR Valve ................................................................................................28
12. Fuel Injector ..............................................................................................29
13. Front Oxygen (A/F) Sensor .......................................................................32
14. Rear Oxygen Sensor.................................................................................33
15. Engine Control Module (ECM) ..................................................................34
16. Main Relay ................................................................................................35
17. Fuel Pump Relay.......................................................................................36
18. Electronic Throttle Control Relay ..............................................................37
19. Fuel ...........................................................................................................38
20. Fuel Tank ..................................................................................................39
21. Fuel Filler Pipe ..........................................................................................45
22. Fuel Pump.................................................................................................47
23. Fuel Level Sensor .....................................................................................49
24. Fuel Sub Level Sensor..............................................................................50
25. Fuel Filter ..................................................................................................51
26. Fuel Damper Valve ...................................................................................52
27. Fuel Delivery, Return and Evaporation Lines............................................53
28. Fuel System Trouble in General ...............................................................56
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