Subaru Legacy IV (2008 year). Service manual — part 233
FU(H4DOTC)-35
Throttle Position Sensor
FUEL INJECTION (FUEL SYSTEMS)
8. Throttle Position Sensor
A: SPECIFICATION
Throttle body is a non-disassembled part, so do not
remove the throttle position sensor from throttle
body.
Refer to “Throttle Body” for removal and installation
procedure. <Ref. to FU(H4DOTC)-14, REMOVAL,
Throttle Body.> <Ref. to FU(H4DOTC)-15, IN-
STALLATION, Throttle Body.>
FU(H4DOTC)-36
Mass Air Flow and Intake Air Temperature Sensor
FUEL INJECTION (FUEL SYSTEMS)
9. Mass Air Flow and Intake Air
Temperature Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from the mass air flow
and intake air temperature sensor, and remove the
mass air flow and intake air temperature sensor.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
1 N·m (0.1 kgf-m, 0.7 ft-lb)
IN-00203
FU-01187
FU(H4DOTC)-37
Manifold Absolute Pressure Sensor
FUEL INJECTION (FUEL SYSTEMS)
10.Manifold Absolute Pressure
Sensor
A: REMOVAL
1) Remove the collector cover.
2) Disconnect the ground cable from battery.
3) Disconnect the connector from manifold abso-
lute pressure sensor (A), and remove the filter as-
sembly (B) from intake manifold.
4) Remove the manifold absolute pressure sensor
from the solenoid valve bracket.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
6.4 N·m (0.7 kgf-m, 4.7 ft-lb)
IN-00203
(A)
FU-04033
(B)
FU(H4DOTC)-38
Fuel Injector
FUEL INJECTION (FUEL SYSTEMS)
11.Fuel Injector
A: REMOVAL
1. RH SIDE
1) Release the fuel pressure. <Ref. to FU(H4DOTC)-
57, RELEASING OF FUEL PRESSURE, PROCE-
DURE, Fuel.>
2) Remove the collector cover.
3) Disconnect the ground cable from battery.
4) Open the fuel filler lid, and remove the fuel filler
cap.
5) Remove the intake manifold.
<Ref. to FU(H4DOTC)-16, REMOVAL, Intake Man-
ifold.>
6) Remove the fuel pipe protector RH from the in-
take manifold.
7) Disconnect the connector from fuel injector.
8) Remove the bolt which holds fuel injector pipe
onto intake manifold.
9) Remove the fuel injector.
2. LH SIDE
1) Release the fuel pressure. <Ref. to
FU(H4DOTC)-57, RELEASING OF FUEL PRES-
SURE, PROCEDURE, Fuel.>
2) Remove the collector cover.
3) Disconnect the ground cable from battery.
4) Open the fuel filler lid and remove the fuel filler
cap.
5) Remove the intake manifold.
<Ref. to FU(H4DOTC)-16, REMOVAL, Intake Man-
ifold.>
6) Remove the engine ground terminal from the
fuel pipe protector LH and remove the fuel pipe pro-
tector LH from the intake manifold.
7) Disconnect the connector from fuel injector.
IN-00203
FU-03087
FU-03089
FU-03094
IN-00203
FU-03086
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