Subaru Legacy III (2000-2003 year). Manual - part 237

FU(H6DO)-32

FUEL INJECTION (FUEL SYSTEMS)

KNOCK SENSOR

7. Knock Sensor

A: REMOVAL

1) Disconnect battery ground cable from battery
ground terminal.

2) Remove intake manifold.
<Ref. to FU(H6DO)-17, REMOVAL, Intake Mani-
fold.>
3) Disconnect knock sensor connector.
4) Remove knock sensor from cylinder block.

B: INSTALLATION

1) Install knock sensor to cylinder block.

Tightening torque:

25 N·m (2.5 kgf-m, 18 ft-lb)

NOTE:
For the knock sensor's installation angle, refer to
the figure below.

2) Connect knock sensor connector.
3) Install intake manifold. <Ref. to FU(H6DO)-20,
INSTALLATION, Intake Manifold.>

4) Connect battery ground cable.

FU-00009

FU-00577

FU-00578

45˚

30˚

10˚

Fromt side

FU-00009

FU(H6DO)-33

FUEL INJECTION (FUEL SYSTEMS)

THROTTLE POSITION SENSOR

8. Throttle Position Sensor

A: REMOVAL

1) Disconnect battery ground cable.

2) Remove air intake chamber. <Ref. to IN(H6DO)-
6, REMOVAL, Air Intake Chamber.>
3) Disconnect connector from throttle position sen-
sor.
4) Remove throttle position sensor holding screws,
and remove throttle position sensor itself.

B: INSTALLATION

Install in the reverse order of removal.

Tightening torque:

1.6 N·m (0.16 kgf-m, 1.2 ft-lb)

FU-00535

FU-00538

FU-00538

FU(H6DO)-34

FUEL INJECTION (FUEL SYSTEMS)

INTAKE MANIFOLD PRESSURE SENSOR

9. Intake Manifold Pressure 

Sensor

A: REMOVAL

1) Disconnect battery ground cable.

2) Disconnect connector from intake manifold pres-
sure sensor.
3) Remove intake manifold pressure sensor from
throttle body.

B: INSTALLATION

Install in the reverse order of removal.

NOTE:
Replace gasket with new one.

Tightening torque:

1.6 N·m (0.16 kgf-m, 1.2 ft-lb)

FU-00535

FU-00580

FU-00580

FU(H6DO)-35

FUEL INJECTION (FUEL SYSTEMS)

INTAKE AIR TEMPERATURE SENSOR

10.Intake Air Temperature Sen-

sor

A: REMOVAL

1) Disconnect battery ground cable.

2) Disconnect connector from intake air tempera-
ture sensor.
3) Remove intake air temperature sensor from air
intake chamber.

B: INSTALLATION

Install in the reverse order of removal.

FU-00535

IN-00069