Fuel Pressure Test; Fuel Flow Inspection - Honda SXS700M4 Service Manual

FUEL SYSTEM
Wrap
a
shop lowel
Bround the
attachment 10 soak
up any
spilled
fuel.
7-8
FUEL PRESSURE TEST
Relieve the fuel pressure (page 7-5).
Disconnect the quick connect fitting from the fuel pump
(page 7-5).
Release the fuel feed hose [1) from the hose clamp [2].
Attach the special tools between the fuel pump and fuel
feed hose.
Except U.S.A. TOOLS :
Fuel pressure gauge (3)
Pressure gauge man if old (4)
Hose attachment, 9 mml9 mm
151
U.S.A. TOOLS:
Fuel pressure gauge, 100 psi
Pressu re manifold hose
Adaptor, male
Adaptor, female
07406-0040004
07ZAJ-S5A0111
07ZAJ·S5A0120
07406-004000C
or
07406-0040006
07 AMJ-HW3A 100
07AAJ·S6MA200
07AAJ·S6MA400
Connect the fuel pump 4P connector 11}.
Start the engine and let It idle.
Read the fuel pressure.
Standard : 331 - 367 kPa (3.4 - 3.7 kgflcm'.
48 - S3 psi)
If the fuel pressure is higher than specified pressure.
replace the fuel pump (faulty fuel pump or fuel pressure
regulator).
If the fuel pressure is lower than speCified pressure,
inspect the following:
-
fuel flow (page 7-8)
- pinched or clogged fuel feed hose
- fuel pump (page 7-9)
Disconnect the fuel pump 4P connector, start the
engine and let it idle until it stalls to relieve the fuel
pressure.
Remove the special tools from the fuel feed hose and
fuel pump.
Connect the quick connect fitting to the fuel pump
(page 7-6).
FUEL FLOW INSPECTION
Relieve the fuel pressure (page 7-5).
Disconnect the quick connect fitting from the fuel pump
(page 7-5).
Remove the fuel pump relay (page 7-13).
Connect the Black/red and Brown wire terminals of the
fuel pump relay connector [1J using a jumper wire 12J.
14]
II]
Brown
~
. -+ __ ,
Black/red
12]
1
1
1
I
j
J
•
,