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FUEL SYSTEM AND THROTTLE BODY 5-5
• Install the special tools between the fuel tank and fuel delivery
pipe.
09940-40211: Fuel pressure gauge adaptor
09940-40220: Fuel pressure gauge hose attachment
09915-77331: Oil pressure gauge
09915-74521: Oil pressure gauge hose
Turn the ignition switch ON and check the fuel pressure.
Fuel pressure: Approx. 300 kPa (3.0 kgf/cm
2
, 43 psi)
If the fuel pressure is lower than the specification, inspect the
following items:
* Fuel hose leakage
* Clogged fuel filter
* Pressure regulator
* Fuel pump
If the fuel pressure is higher than the specification, inspect the
following items:
* Fuel pump check valve
* Pressure regulator
A To fuel tank
B To fuel delivery pipe
FUEL PUMP INSPECTION
Turn the ignition switch ON and check that the fuel pump oper-
ates for few seconds.
If the fuel pump motor does not make operating sound, inspect
the fuel pump circuit connections or inspect the fuel pump relay
and to sensor.
If the fuel pump relay, to sensor and fuel pump circuit connec-
tions are OK, the fuel pump may be faulty, replace the fuel pump
with a new one.
* Before removing the special tools, turn the ignition
switch to OFF position and release the fuel pressure
slowly.
* Gasoline is highly flammable and explosive. Keep
heat, sparks and flame away.