4. Fuel Injection System
4-26
Fuel system pressure
measurement
Fuel pressure measurement
demolition - injector
Fuel pressure measurement
demolition - fuel pump
Testing Procedures 3:
Fuel pressure measurement:
● Use fuel pressure gauge, connected in series between the injector
and the fuel tank.
Cautions
● In the implementation of the fuel pressure measurement, will go to
the demolition of the fuel hose, such as: injector or fuel pump hose,
hydraulic measurements after, be sure to confirm whether there is a
leakage of fuel situation in order to avoid danger.
Detection judge 3:
1. Fuel pressure: 294±6kPa (about 3kg/cm
2
)
Treatment of abnormal phenomena:
1. Fuel pump damages internal coil break, or coupler bad contact.
2. Fuel filter blockage.
3. Fuel pump anomaly, the proposed replacement of the fuel pump.
4. Fuel unit anomaly, the proposed replacement of the fuel unit.
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