Basic Efi System Information - Arctic Cat Wildcat EFI 1994 Service Manual

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Basic EFI System
Information
Item Description
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Fuel supply system , Electronically controlled multi-point injection
Basic system
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!
Ignition system (CD I system) Digital
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System . O/N (throttle opening/engine revolution) system
&
atmospheric
Air/fuel flow
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pressure compensation
meter
Component parts
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Throttle opening sensor
. Atmospheric pressure sensor
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One time simultaneous injection per revolution (synchronized
Injection system
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ignition)
; - - - ­
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. Fuel pressure
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Regula~ed
high pressure 36.2 psi (2.55 kg/cm2)
Fuel system
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Fuel return Pressure regulated by pressure regulator. There are fuel returns.
I System 1 stage x duplex (1 bore/cylinder)
46 x 2 (Effective area equivalent to 40)
Diameter of the bore
Throttle
system
. Type of valve
Butterfly type
Operating angle 80° (full closed angle 10°)
Radius of drum
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R25 (at wire center)
Throttle adjusting screw type
Adjusting system for idle revolution
Fuel injection control
Control unit
Gear type Fuel pump
E
(/) Top feed type
,
Injector
CD c::
0
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»
Pressure regulator
D~atJl
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a\:lm type
~
(/)
u
Q)
-=
:J
Fine screens on pick-up hose Fuel filter
'0
Ll..
CD
c..
(/)
Fuel piping , High pressure specification 36.2 psi (2.55 kg/cm2)
""0
c::
1 bore/cylinder x duplex
~:
Throttle body
<U
(/)
Throttle sensor Revolution scrubbing type potentiometer
~
U
c..
CD
Semiconductor type Pressure sensor
C
CD
<5
c::
(/)
Thermistor type
0
c::
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Water temperature sensor
c..
CD
E
(f)
Thermistor type
Intake air temperature sensor
0
0
L
Equivalent to current harness
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Cable harness
Dropping resistor Other I
86
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