Subaru Legacy 2004 Service Manual page 1023

FUEL INJECTION
(FUEL SYSTEMS)
FU(H4DOTC)
1. General Description ....................................................................................2
2. Throttle Body.............................................................................................12
3. Intake Manifold..........................................................................................13
4. Engine Coolant Temperature Sensor........................................................23
5. Crankshaft Position Sensor.......................................................................24
6. Camshaft Position Sensor.........................................................................25
7. Knock Sensor............................................................................................26
8. Throttle Position Sensor............................................................................27
9. Mass Air Flow and Intake Air Temperature Sensor ..................................28
10. Manifold Absolute Pressure Sensor..........................................................29
11. Fuel Injector ..............................................................................................30
12. Oil Flow Control Solenoid Valve................................................................31
13. Wastegate Control Solenoid Valve ...........................................................32
14. Front Oxygen (A/F) Sensor .......................................................................33
15. Rear Oxygen Sensor.................................................................................34
16. Engine Control Module (ECM) ..................................................................35
17. Main Relay ................................................................................................36
18. Fuel Pump Relay.......................................................................................37
19. Electronic Throttle Control Relay ..............................................................38
20. Fuel Pump Control Unit.............................................................................39
21. Fuel ...........................................................................................................40
22. Fuel Tank ..................................................................................................41
23. Fuel Filler Pipe ..........................................................................................47
24. Fuel Pump.................................................................................................49
25. Fuel Level Sensor .....................................................................................51
26. Fuel Sub Level Sensor..............................................................................52
27. Fuel Filter ..................................................................................................54
28. Fuel Bypass Valve ....................................................................................55
29. Fuel Delivery, Return and Evaporation Lines............................................56
30. Fuel System Trouble in General ...............................................................59
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