Mitsubishi 380. Manual — part 645
INJECTOR
MULTIPORT FUEL INJECTION (MPI) <3.8L ENGINE>
13A-672
INJECTOR
REMOVAL AND INSTALLATION
M1131007100768
Pre-removal Operation
• Fuel Discharge Prevention (Refer to
).
• Intake Manifold Plenum Removal (Refer to GROUP 15,
Intake Manifold Plenum
Post-installation Operation
• Intake Manifold Plenum Installation (Refer to GROUP 15,
Intake Manifold Plenum
• Fuel Leakage Inspection.
03DB144A
1
1
3
6
5
10
9
8
7
11
N
2
12 ± 1 N·m
102 ± 13 in-lb
9
8
7
N
APPLY ENGINE OIL
TO ALL MOVING
PARTS BEFORE
INSTALLATION.
36 ± 6 N·m
27 ± 4 ft-lb
REMOVAL STEPS
1.
INJECTOR CONNECTOR
2.
ENGINE MOUNT STAY
>>A<<
3.
FUEL HIGH-PRESSURE HOSE
CONNECTION (FUEL RAIL SIDE)
5.
BLOW-BY HOSE CONNECTION
<<A>>
6.
FUEL RAIL AND INJECTOR
ASSEMBLY
7.
INSULATORS
>>A<<
8.
FUEL INJECTORS
>>A<<
9.
O-RING
10. FUEL RAIL
11. INSULATORS
REMOVAL STEPS (Continued)
INJECTOR
MULTIPORT FUEL INJECTION (MPI) <3.8L ENGINE>
13A-673
REMOVAL SERVICE POINTS
.
<<A>> FUEL RAIL AND INJECTOR ASSEMBLY
REMOVAL
CAUTION
Do not drop the fuel injector.
Remove the fuel rail with the fuel injectors attached to it.
INSTALLATION SERVICE POINT
.
>>A<< O-RING/FUEL INJECTORS/FUEL
HIGH-PRESSURE HOSE CONNECTION (FUEL
RAIL SIDE) INSTALLATION
CAUTION
• Do not kink the fuel high-pressure hose as it is made of
plastics.
• Do not let the engine oil get into the fuel rail.
1. Apply a drop of new engine oil to the O-ring.
2. Turn the fuel injector to the right and left to install to the fuel
rail. Repeat for fuel damper and fuel high-pressure hose. Be
careful not to damage the O-ring. After installing, check that
they turn smoothly.
3. If some of them dose not turn smoothly, the O-ring may be
trapped, remove it, re-install it into the fuel rail and check
again.
4. Connect fuel hose to rail.
.
CAUTION
Connect the fuel high-pressure hose, and then pull it gen-
tly in the direction of removal to check that the hose is
firmly connected.
Apply clean engine oil to the tips of the main pipe nozzle and
the fuel main pipe, and connect connector of the fuel high-pres-
sure hose to them.
AC209221
CONNECTOR
MAIN PIPE NOZZLE OR
FUEL MAIN PIPE
AB
THROTTLE BODY ASSEMBLY
MULTIPORT FUEL INJECTION (MPI) <3.8L ENGINE>
13A-674
THROTTLE BODY ASSEMBLY
REMOVAL AND INSTALLATION
M1131007700652
WARNING
If the air intake duct is removed from the throttle body take great care to keep fingers away
from the throttle plate. The drive motor has very high torque and is capable of random move-
ment at any time. Do not under any circumstances activate the throttle plate by hand.
When removing the throttle body from the intake manifold disconnect the wiring first. During
replacement connect the wiring last.
Do not activate the throttle body using a DC suppy to test the motor,as permanent damage to
the throttle body will result.
Pre-removal Operation
• Air Intake Hose Removal (Refer to GROUP 15, Air
Cleaner
).
Post-installation Operation
• Air Intake Hose Installation (Refer to GROUP 15, Air
Cleaner
).
03DB155A
2
3
1
N
28 ± 4 N·m
21 ± 3 ft-lb
REMOVAL STEPS
1.
THROTTLE POSITION SENSOR
CONNECTOR
2.
THROTTLE BODY
>>A<<
3.
THROTTLE BODY GASKET
REMOVAL STEPS (Continued)
ENGINE CONTROL UNIT (ECU)
MULTIPORT FUEL INJECTION (MPI) <3.8L ENGINE>
13A-675
INSTALLATION SERVICE POINT
.
>>A<<THROTTLE BODY GASKET INSTALLATION
CAUTION
Poor idling etc. may result if the throttle body gasket is
installed incorrectly.
Install the gasket as its protrusion is in the direction shown.
ENGINE CONTROL UNIT (ECU)
REMOVAL AND INSTALLATION
M1131033400243
CAUTION
Ensure Ignition key is turned "OFF" and battery terminals are disconnected prior to removal of the
ENGINE ECU.
NOTE: When replacing ENGINE-ECU with a new unit VIN Writing and Key Registration will be required.
03DB188A
PROJECTION
03DB264A
1
2
3
4
REMOVAL STEPS
1.
COVER
2.
ENGINE-ECU CONNECTOR
3.
ECU MOUNTING BRACKET
4.
A/T ECU - A/T VEHICLE ONLY
REMOVAL STEPS (Continued)
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