Subaru Legacy IV (2008 year). 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