Fuel Injection (Fuel System)
FUEL LINE
FU-8
C: FUEL INJECTORS
! The MFI system employs top feed type fuel injectors with an air assist feature.
! Each injector is installed in the fuel pipe in such a way that the injector is cooled by fuel.
! The features of this type of fuel injector are as follows:
1) High heat resistance
2) Low driving noise
3) Easy to service
4) Small size
! The injector injects fuel according to the valve open signal from the ECM. The needle valve is
lifted by the solenoid which is energized on arrival of the valve open signal.
! Since the injector’s nozzle hole area, the lift of valve and the fuel pressure are kept constant, the
amount of fuel injected is controlled only by varying the duration of the valve open signal from the
ECM.
(1) Filter
(2) O-ring
(3) Connector
(3)
(2)
(1)
B2H1991B
W2290GE_03_FU-.fm 8 ページ ２００１年４月１１日 水曜日 午前９時３６分
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