Mitsubishi Montero (2002-2004). Manual — part 560

THROTTLE BODY ASSEMBLY

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13Aa-27

THROTTLE BODY ASSEMBLY

REMOVAL AND INSTALLATION

M1131007700403

Pre-removal and Post-installation Operation
• Engine Coolant Draining and Refilling (Refer to GROUP

00, Maintenance Service

P.00-44

).

• Intake Air Duct and Air Cleaner Housing Cover Assembly

Removal and Installation (Refer to GROUP 15, Air

Cleaner

P.15-6

).

AC203986

AC203986AB

1

2

3

4

5

6

2

12 ± 1 N·m
101 ± 14 in-lb

N

REMOVAL STEPS

1.

PURGE HOSE CLIP
CONNECTION

2.

WATER HOSES CONNECTION

3.

THROTTLE POSITION SENSOR
CONNECTOR

4.

PURGE HOSE BRACKET

5.

THROTTLE BODY

>>A<<

6.

THROTTLE BODY GASKET

REMOVAL STEPS (Continued)

THROTTLE BODY ASSEMBLY

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13Aa-28

INSTALLATION SERVICE POINT

.

>>A<< THROTTLE BODY GASKET INSTALLATION

CAUTION

Poor idling may result if the throttle body gasket is
installed incorrectly.
Install the throttle body gasket as shown in the illustration.

AC203987AB

UP SIDE

VEHICLE
REAR

PROJECTION

SPECIFICATIONS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13Aa-29

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

M1131011600421

GENERAL SPECIFICATIONS

M1131000200429

ITEM

SPECIFICATION

Engine coolant temperature sensor

29

± 10 N⋅m (22 ± 7 ft-lb)

Fuel pipe attaching bolts

9.0

± 1.0 N⋅m (80 ± 9 in-lb)

Fuel pressure regulator attaching bolts

9.0

± 1.0 N⋅m (80 ± 9 in-lb)

Fuel rail mounting bolts

12

± 1 N⋅m (102 ± 13 in-lb)

Fuel high-pressure hose attaching bolts

5.0

± 1.0 N⋅m (44 ± 9 in-lb)

Throttle body mounting bolts

13

± 2 N⋅m (115 ± 18 in-lb)

ITEMS

SPECIFICATIONS

Throttle body

Throttle bore mm (in.)

65 (2.56)

Throttle position sensor

Hall element type

Throttle actuator control motor

DC motor type, having brushes

Powertrain
control module
(PCM)

Identification model No.

E6T38374

Sensors

Volume airflow sensor

Karman vortex type

Barometric pressure sensor

Semiconductor type

Intake air temperature sensor

Thermistor type

Engine coolant temperature sensor

Thermistor type

Heated oxygen sensor

Zirconia type

Accelerator pedal position sensor

Variable resistor type

Accelerator pedal position switch

Contact switch type

Transmission range switch

Contact switch type

Camshaft position sensor

Electromagnetic resistance element
type

Crankshaft position sensor

Hall element type

Knock sensor

Piezoelectric type

Power steering pressure switch

Contact switch type

Manifold differential pressure sensor

Semiconductor type

Actuators

Multiport fuel injection (MFI) relay

Contact switch type

Fuel pump relay

Contact switch type

Throttle actuator control motor relay

Contact switch type

Injector type and number

Electromagnetic type, 6

Injector identification mark

GDH305

EGR valve

Stepper motor type

Evaporative emission purge solenoid

Duty cycle type solenoid valve

Fuel pressure
regulator

Regulator pressure kPa (psi)

335 (47.6)

SPECIFICATIONS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13Aa-30

SERVICE SPECIFICATIONS

M1131000300330

SEALANT AND ADHESIVE

M1131000500022

ITEMS

STANDARD VALUE

Accelerator pedal position sensor adjusting voltage mV

0.905

− 1.165

Basic idle speed r/min

700

± 50

Fuel pressure kPa (psi)

Vacuum hose
disconnected

330

− 350 (47 − 50) at curb idle

Vacuum hose connected Approximately 270 (38) at curb

idle

Intake air temperature sensor resistance k

Ω -20°C (-4°F)

13

− 17

0

°C (32°F)

5.3

− 6.7

20

°C (68°F)

2.3

− 3.0

40

°C (104°F)

1.0

− 1.5

60

°C (140°F)

0.56

− 0.76

80

°C (176°F)

0.30

− 0.42

Engine coolant temperature sensor
resistance k

Ω

-20

°C (-4°F)

14

− 17

0

°C (32°F)

5.1

− 6.5

20

°C (68°F)

2.1

− 2.7

40

°C (104°F)

0.9

− 1.3

60

°C (140°F)

0.48

− 0.68

80

°C (176°F)

0.26

− 0.36

Throttle position sensor resistance k

Ω

2.0

− 4.0

Accelerator pedal position sensor (main, sub) resistance k

Ω

3.5

− 6.5

Heated oxygen sensor output voltage V

0.6

− 1.0

Heated oxygen sensor heater resistance

Ω HO

2

S (front)

4.5

− 8.0

HO

2

S (rear)

11

− 18

Injector coil resistance

Ω

13

− 16 [at 20°C (68°F)]

Throttle actuator control motor coil resistance

Ω

0.3

− 100 [at 20°C (68°F)]

ITEM

SPECIFIED SEALANT

Engine coolant temperature sensor threaded portion 3M

ä AAD part number 8731or equivalent