Mitsubishi Galant 9G. Manual - part 1218

SPECIAL TOOLS

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MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1172

MB991709
Test harness set

MB991709-01

Inspection using an 
oscilloscope

MB991658
Test harness set

Tool not available

• Inspection using an 

oscilloscope

• Adjustment of 

accelerator pedal 
position sensor

MD998464
Test harness (4 pin, 
square)

MD998464-01

• Inspection of heated 

oxygen sensor

MB991316
Test harness (4 pin, 
square)

Tool not available

Inspection of heated 
oxygen sensor

MD998478
Test harness (3 pin, 
triangle)

MD998478-01

Inspection using an 
oscilloscope

MB991637
Fuel pressure gauge set

Tool not available

Measurement of fuel 
pressure

MD998709
Adaptor hose

MIT210196

Measurement of fuel 
pressure

MD998742
Hose adaptor

MD998742-01

Measurement of fuel 
pressure

TOOL

TOOL NUMBER AND 
NAME

SUPERSESSION

APPLICATION

MB991658

MB991637

ON-VEHICLE SERVICE

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MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1173

ON-VEHICLE SERVICE

COMPONENT LOCATION

M1131002100837

NAME

SYMBOL

NAME

SYMBOL

Accelerator pedal position sensor S

Knock sensor

K

Camshaft position sensor

N

Left bank heated oxygen sensor 
(front)

M

Crankshaft position sensor

I

Left bank heated oxygen sensor 
(rear)

M

Data link connector

T

Malfunction Indicator Lamp 
(SERVICE ENGINE SOON or 
Check Engine Lamp)

R

Exhaust gas recirculation (EGR) 
valve

D

Manifold absolute pressure 
sensor

B

Engine coolant temperature 
sensor

E

Mass airflow sensor (with built-in 
intake air temperature sensor)

H

Evaporative emission purge 
solenoid

G

Multiport fuel injection (MFI) relay P

Evaporative emission ventilation 
solenoid

W

Powertrain control module (PCM) O

Fuel level sensor (main)

V

Power steering pressure switch

A

Fuel level sensor (sub)

U

Right bank heated oxygen sensor 
(front)

C

Fuel pump relay

Q

Right bank heated oxygen sensor 
(rear)

C

Fuel tank differential pressure 
sensor

U

Throttle actuator control motor

F

Fuel tank temperature sensor

V

Throttle actuator control motor 
relay

P

Ignition coil

L

Throttle position sensor

F

Injector

J

ON-VEHICLE SERVICE

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MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1174

AK303200

B

C

D

E

F

G

I

J

M N

A

O

P

Q

R

S

T

U

AB

W

V

H

K

L

AK303297

POWER STEERING
PRESSURE SWITCH

AB

A

AK303287

B

MANIFOLD
ABSOLUTE
PRESSURE
SENSOR

AB

ON-VEHICLE SERVICE

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1175

AK303289AB

RIGHT BANK
HEATED OXYGEN
SENSOR (REAR)
CONNECTOR

RIGHT BANK
HEATED OXYGEN
SENSOR (FRONT)
CONNECTOR

RIGHT BANK
HEATED OXYGEN
SENSOR (FRONT)

RIGHT BANK
HEATED OXYGEN
SENSOR (REAR)

C

AK303293AB

EGR VALVE

D

AK303292

ENGINE COOLANT
TEMPERATURE
SENSOR

THROTTLE BODY

AB

E

AK303291AB

THROTTLE POSITION 
SENSOR AND THROTTLE
ACTUATOR CONTROL MOTOR

F

AK303290 AB

EVAPORATIVE
EMISSION
PURGE
SOLENOID

G

AK303294

MASS AIRFLOW SENSOR
(WITH BUILT-IN INTAKE
 AIR TEMPERATURE SENSOR)

AB

H