Mitsubishi Galant 9G. Manual - part 1219

ON-VEHICLE SERVICE

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1176

AK302286

I

CRANKSHAFT
POSITION SENSOR
CONNECTOR

CRANKSHAFT
POSITION
SENSOR

AB

CRANKSHAFT
SPROCKET

AK303261AB

INJECTOR

J

AK303288

KNOCK SENSOR
CONNECTOR

KNOCK SENSOR

AB

K

AK303279

IGNITION COIL

AB

L

ON-VEHICLE SERVICE

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1177

AK303299AB

M

LEFT BANK
HEATED OXYGEN
SENSOR (FRONT)
CONNECTOR

LEFT BANK
HEATED OXYGEN
SENSOR (REAR)
CONNECTOR

LEFT BANK
HEATED OXYGEN
SENSOR (FRONT)

LEFT BANK
HEATED OXYGEN
SENSOR (REAR)

AK303303

N

CAMSHAFT POSITION
SENSOR

AB

AK303306

PCM

AIR CLEANER

AB

O

AK303265

P

AB

THROTTLE 
ACTUATOR
CONTROL 
MOTOR RELAY

MFI RELAY

AK303195

Q

AB

FUEL PUMP 
RELAY (1)

FUEL PUMP 
RELAY (2)

AK303264

MALFUNCTION  INDICATOR
LAMP (SERVICE  ENGINE  SOON)

AB

R

ON-VEHICLE SERVICE

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1178

THROTTLE BODY (THROTTLE VALVE AREA) 

CLEANING

M1131001000503

WARNING

If the  throttle valve is operation in service, a finger 

might be injured as the result of being caught by the 

throttle valve. Make sure that the ignition switch is 

surely in "LOCK"(OFF) position before the service in 

order that the throttle valve cannot be operation.

1. Remove the throttle body.

CAUTION

• Do not spray the cleaning solvent directly to the throttle 

valve.

• Make sure the cleaning solvent does not enter the 

motor and the sensor through the shaft.

2. Spray cleaning solvent on a clean cloth.
3. Wipe off the dirt around the throttle valve with the cloth 

sprayed with cleaning solvent.

4. Attach the throttle body.

AK303196

S

AB

ACCELERATOR
PERAL

ACCELERATOR
PEDAL POSITION
SENSOR

AK303197

T

AB

DATA LINK 
CONNECTOR

ACCELERATOR
PEDAL

AK303198

U

AB

FUEL LEVEL
SENSOR (SUB)

FUEL TANK
DIFFERENTIAL
PRESSURE
SENSOR

SERVICE
HOLE

AK303280

SERVICE
HOLE

V

FUEL PUMP MODULE
(INCORPORATING FUEL LEVEL
SENSOR (MAIN) AND FUEL
TANK TEMPERATURE SENSOR)

AB

AK303199

W

EVAPORATIVE EMISSION
VENTILATION SOLENOID

AB

EVAPORATIVE
EMISSION
CANISTER

ON-VEHICLE SERVICE

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1179

FUEL PRESSURE TEST

M1131001900584

Required Special Tools:

• MB991958: Scan tool (MUT-III Sub Assembly)

• MB991824: V.C.I.

• MB991827: USB Cable

• MB991910: Main Harness A

• MB991637: Fuel Pressure Gauge Set

• MD998709: Adaptor Hose

• MD998742: Hose Adaptor

1. Release residual pressure from the fuel line to prevent fuel 

spray. (Refer to 

P.13B-1181

.)

WARNING

To prevent a fire, cover the hose connection with 
shop towels to prevent splashing of fuel that could be 
caused by some residual pressure in the fuel pipe 
line.

2. Disconnect the fuel high-pressure hose at the fuel rail side.
3. Assemble the fuel pressure measurement tools as follows.

<When using the fuel pressure gauge>

1. Remove the union joint and bolt from special tool 

MD998709 (adapter hose) and instead attach special tool 
MD998742 (hose adapter) to the adapter hose.

2. Place a suitable O-ring or gasket on the assembled special 

tools MD998709 and MD998742 and install the fuel pres-
sure gauge.

3. Install the assembled fuel pressure measurement tools 

between the fuel rail and fuel high-pressure hose.

<When using special tool MB991637 (fuel pressure gauge 

set)>

1. Remove the union joint and bolt from special tool 

MD998709 (adapter hose) and instead attach special tool 
MD998742 (hose adapter) to the adapter hose.

2. Install special tool MB991637 (fuel pressure gauge set) into 

assembled special tools MD998709 and MD998742 via a 
gasket.

3. Install the assembled fuel pressure measurement tools 

between the fuel rail and fuel high-pressure hose.

AK203312AB

FUEL 
HIGH-PRESSURE 
HOSE 

AKX01457AH

FUEL PRESSURE 
GAUGE

O-RING OR GASKET

MD998709

MD998742

FUEL 
RAIL 

FUEL
HIGH-PRESSURE
HOSE

AKX01458

MB991637

O-RING OR GASKET

MD998709

MD998742

FUEL
RAIL

AI

FUEL
HIGH-PRESSURE
HOSE