6-13
FUEL
Fuel system
Removing the fuel filter assembly
Cover the fuel components using a rag to
prevent fuel from spilling out.
1. Remove the intake manifold (PORT).
See “Removing the intake manifold” (6-
17).
2. Disconnect the water detection switch
coupler a.
3. Disconnect the fuel hoses 1 and 2.
4. Remove the fuel filter assembly 3.
Checking the fuel filter assembly
1. Connect the special service tool 1 to the
fuel inlet a.
2. Block the fuel outlet b using a rubber
plug 2, and then apply the specified
positive pressure. Replace the O-ring,
fuel cup assembly, or fuel filter assembly
if the specified pressure cannot be main-
tained for 15 seconds or more.
3. Connect the special service tool 1 to the
fuel outlet b.
4. Block the fuel inlet a using a rubber plug
2, and then apply the specified negative
pressure. Replace the O-ring, fuel cup
assembly, or fuel filter assembly if the
specified pressure cannot be maintained
for 15 seconds or more.
a
a
3
2
1
Vacuum/pressure pump gauge set 1:
90890-06756
Specified positive pressure:
200.0 kPa (2.00 kgf/cm
2
, 29.0 psi)
Vacuum/pressure pump gauge set 1:
90890-06756
Specified negative pressure:
80.0 kPa (0.80 kgf/cm
2
, 11.6 psi)
2
1
a
b
ba
2
1
a
b
b
a
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