Subaru Legacy (2005 year). Service manual — part 362
FUEL INJECTION (FUEL SYSTEMS)
FU(H6DO)
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Throttle Body. . . . . . . . . . . . . . . . . . . . . . . .11
Intake Manifold. . . . . . . . . . . . . . . . . . . . . . ..12
Engine Coolant Temperature Sensor. . . . . . . . . . . . . . 18
Crankshaft Position Sensor. . . . . . . . . . . . . . . . . ...19
Camshaft Position Sensor. . . . . . . . . . . . . . . . . . .20
Knock Sensor. . . . . . . . . . . . . . . . . . . . . . . 21
Throttle Position Sensor. . . . . . . . . . . . . . . . . . . 22
Manifold Absolute Pressure Sensor. . . . . . . . . . . . . . ..23
Mass Air Flow and Intake Air Temperature Sensor . . . . . . . . ..24
EGR Valve . . . . . . . . . . . . . . . . . . . . . . . . 25
Fuel Injector . . . . . . . . . . . . . . . . . . . . . . . ..26
Variable Valve Lift Diagnosis Oil Pressure Switch . . . . . . . . . 28
Oil Temperature Sensor. . . . . . . . . . . . . . . . . . . 29
Front Oxygen (A/F) Sensor . . . . . . . . . . . . . . . . . ...30
Rear Oxygen Sensor. . . . . . . . . . . . . . . . . . . . .32
Engine Control Module (ECM) . . . . . . . . . . . . . . . . ..34
Main Relay . . . . . . . . . . . . . . . . . . . . . . . . 35
Fuel Pump Relay. . . . . . . . . . . . . . . . . . . . . ...36
Electronic Throttle Control Relay . . . . . . . . . . . . . . . ..37
Fuel Pump Control Unit. . . . . . . . . . . . . . . . . . . .38
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . ...39
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . ..40
Fuel Filler Pipe . . . . . . . . . . . . . . . . . . . . . . ..46
Fuel Pump. . . . . . . . . . . . . . . . . . . . . . . . .48
Fuel Level Sensor . . . . . . . . . . . . . . . . . . . . . .50
Fuel Sub Level Sensor. . . . . . . . . . . . . . . . . . . ..51
Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . ..52
Fuel Bypass Valve . . . . . . . . . . . . . . . . . . . . . 53
Fuel Delivery, Return and Evaporation Lines. . . . . . . . . . . 54
Fuel System Trouble in General . . . . . . . . . . . . . . . ...57
FU(H6DO)-2
FUEL INJECTION (FUEL SYSTEMS)
General Description
1. General Description
A: SPECIFICATION
Fuel tank
Capacity
64
2 (16.9 US gal, 14.1 Imp gal)
Location
Under rear seat
Fuel pump
Type
Impeller
Shutoff discharge pressure
550 — 850 kPa (5.61 — 8.67 kgf/cm
2
, 79.8 — 123.3 psi)
Discharge rate
More than 125
2 (33 US gal, 27.5 Imp gal)/h
[12 V at 300 kPa (3.06 kgf/cm
2
, 43.5 psi)]
Fuel filter
In-tank type
FU(H6DO)-3
FUEL INJECTION (FUEL SYSTEMS)
General Description
B: COMPONENT
1. INTAKE MANIFOLD
FU-02107
T3
T3
T5
T4
T6
T5
T5
T5
T5
T6
(5)
(6)
(9)
(2)
(16)
(17)
(15)
(17)
(12)
(2)
T2
T2
T2
T4
(10)
T4
(9)
T4
(10)
(11)
(18)
T1
T2
T2
(14)
(13)
(14)
(14)
(13)
(14)
T1
(4)
(3)
T3
T5
(7)
(8)
(1)
FU(H6DO)-4
FUEL INJECTION (FUEL SYSTEMS)
General Description
2. FUEL INJECTOR
(1)
Intake manifold
(10)
Plug
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(2)
O-ring
(11)
Fuel pipe protector LH
T1: 1.25 (0.13, 0.94)
(3)
Manifold absolute pressure sensor
(12)
Fuel pipe ASSY
T2: 5 (0.5, 3.7)
(4)
Filter
(13)
Hose
T3: 6.4 (0.65, 4.7)
(5)
Fuel pipe protector RH
(14)
Clamp
T4: 17 (1.7, 12.5)
(6)
Purge control solenoid valve
(15)
EGR valve (Except for KA model)
T5: 19 (1.9, 14)
(7)
Hose
(16)
Gasket (Except for KA model)
T6: 25 (2.5, 18)
(8)
Hose
(17)
Gasket (Except for KA model)
(9)
Nipple
(18)
EGR pipe (Except for KA model)
(1)
Fuel injector pipe LH
(4)
Injection rubber
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(2)
Insulator
(5)
O-ring
T: 19 (1.9, 14)
(3)
Fuel injector
(6)
Fuel injector pipe RH
FU-02561
(6)
T
T
(5)
(4)
(3)
(2)
(2)
(3)
(4)
(5)
(1)
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