Subaru Legacy (2005 year). Service manual — part 165
FU(H4SO 2.5)-23
FUEL INJECTION (FUEL SYSTEMS)
Knock Sensor
7. Knock Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air cleaner case. <Ref. to IN(H4SO
2.0)-5, REMOVAL, Air Cleaner Case.>
3) Disconnect the knock sensor connector.
4) Remove the knock sensor from cylinder block.
B: INSTALLATION
1) Install the knock sensor to cylinder block.
NOTE:
Extraction area of knock sensor cord must be posi-
tioned at a 60
° angle relative to the engine rear.
Tightening torque:
24 N
⋅
m (2.4 kgf-m, 17.7 ft-lb)
2) Connect the knock sensor connector.
3) Install the air cleaner case.
<Ref. to IN(H4SO 2.0)-5, INSTALLATION, Air
Cleaner Case.>
4) Connect the ground cable to battery.
IN-00203
FU-01334
FU-00519
(A) Front side
FU-00413
(A)
60
FU-01334
IN-00203
FU(H4SO 2.5)-24
FUEL INJECTION (FUEL SYSTEMS)
Throttle Position Sensor
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(H4SO 2.5)-11, REMOVAL,
Throttle Body.> <Ref. to FU(H4SO 2.5)-11, IN-
STALLATION, Throttle Body.>
FU(H4SO 2.5)-25
FUEL INJECTION (FUEL SYSTEMS)
Manifold Absolute Pressure Sensor
9. Manifold Absolute Pressure
Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from manifold abso-
lute pressure sensor.
3) Remove the manifold absolute pressure sensor
from throttle body.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Use a new O-ring.
Tightening torque:
2 N
⋅
m (0.2 kgf-m, 1.5 ft-lb)
IN-00203
FU-01105
FU(H4SO 2.5)-26
FUEL INJECTION (FUEL SYSTEMS)
Mass Air Flow and Intake Air Temperature Sensor
10.Mass Air Flow and Intake Air
Temperature Sensor
A: REMOVAL
NOTE:
Mass air flow and intake air temperature sensor is
installed to EC, EK, K4, EH and ER model.
1) Disconnect the ground cable from battery.
2) Disconnect the connector from mass air flow and
intake air temperature sensor.
3) Remove the mass air flow and intake air temper-
ature 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-01106
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