Mitsubishi Galant 9G. Manual - part 469

EMISSION CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-94

REMOVAL AND INSTALLATION <3.8L ENGINE>

M1173010500205

INSTAIIATION SERVICE POINT

.

>>A<< EGR VALVE GASKET INSTALLATION

Install the EGR valve gasket as shown in the illustration.

Pre-removal and Post-installation Operation
Strut Tower Bar Removal and Installation (Refer to GROUP 
42, Strut Tower Bar 

P.42-12

.)

AC307978AB

24 ± 3 N·m
18 ± 2 ft-lb

N

1

2

3

REMOVAL STEPS

1. EGR VALVE CONNECTOR

2. EGR VALVE

>>A<<

3. EGR VALVE GASKET

REMOVAL STEPS (Continued)

AC307979AB

GASKET

NOTCHED
PART

NOTCHED
PART

EMISSION CONTROL

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ENGINE AND EMISSION CONTROL

17-95

EVAPORATIVE EMISSION CANISTER AND FUEL TANK PRESSURE RELIEF 
VALVE

 REMOVAL AND INSTALLATION

M1173004800359

AC208322 AB

5

11

10

9

6

8

1

7

12

3

2

4

13

15

14

16

17

18

REMOVAL STEPS

1. EVAPORATIVE EMISSION 

VENTILATION SOLENOID 
CONNECTOR

2. WIRING HARNESS CLAMP 

CONNECTION

3. VENT HOSE D AND VENT PIPE 

CONNECTION

4. VAPOR HOSE CONNECTION
5. PURGE HOSE CONNECTION
• ONBOARD REFUELING VAPOR 

RECOVERY (ORVR) VENT VALVE 
MODULE AND EVAPORATIVE 
EMISSION CANISTER ASSEMBLY

6. VAPOR HOSE
7. PURGE HOSE ASSEMBLY
8. VENT HOSE  A

9. EVAPORATIVE EMISSION 

CANISTER

10. VENT HOSE D
11 CONNECTOR
12 VENT HOSE B
13. VENT HOSE C
14. ONBOARD REFUELING VAPOR 

RECOVERY (ORVR) VENT VALVE 
MODULE

15. EVAPORATIVE EMISSION 

VENTILATION SOLENOID

16. EVAPORATIVE EMISSION 

CANISTER BRACKET

17. VENT PIPE
18 VENT HOSE E

REMOVAL STEPS (Continued)

EMISSION CONTROL

TSB Revision

ENGINE AND EMISSION CONTROL

17-96

INSPECTION

M1173004900141

EVAPORATIVE EMISSION VENTILATION 
SOLENOID CHECK

1. Connect a hand vacuum pump to nipple (A) of the solenoid.
2. Check air tightness by applying a vacuum with voltage 

applied directly from the battery to the evaporative emission 
ventilation solenoid and without applying voltage.

3. Measure the resistance between the terminals of the 

solenoid.

Standard value: 17 

− 21 Ω [at 20°C (68°F)]

CATALYTIC CONVERTER

GENERAL DESCRIPTION (CATALYTIC CONVERTER)

M1173005300131

The three way catalytic converter, together with the 
closed loop air-fuel ratio control based on the oxygen 
sensor signal, oxidizes carbon monoxides (CO) and 
hydrocarbons (HC), also reduces nitrogen oxides 
(NOx). 

When the mixture is controlled at stoichiometric 
air-fuel ratio, the three way catalytic converter pro-
vides the highest purification against the three con-
stituents, namely, CO, HC and NOx.

BATTERY VOLTAGE

NORMAL CONDITION

Applied

Vacuum maintained

Not applied

Vacuum leaks

AC101980AB

A

AC101981AB

SPECIFICATIONS

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ENGINE AND EMISSION CONTROL

17-97

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

M1173006400324

SERVICE SPECIFICATIONS

M1173000300545

ITEM

SPECIFICATION

Auto-cruise control system
Lower cover cap bolt

9.0 

± 2.0 N⋅m (80 ± 17 in-lb)

Steering wheel assembly nut

41 

± 8 N⋅m (30 ± 6 ft-lb)

Emission control system
EGR valve bolt

24 

± 3 N⋅m (18 ± 2 ft-lb)

Grounding bolt <2.4L Engine>

5.0 

± 1.0 N⋅m (44 ± 9 in-lb)

Engine control system
Accelerator pedal assembly nut

13 

± 2 N⋅m (111 ± 22 in-lb)

ITEMS

STANDARD VALUE

Engine control system
Accelerator cable free play mm (in)

1 

− 2 (0.04 − 0.08)

Curb idle speed r/min

2.4L Engine

700 

± 100

3.8L Engine

680 

± 100

Emission control system

Purge flow cm

3

/s (SCFH) [at 80 

− 95°C (176 − 205°F) with sudden revving]

20 (2.5)

Evaporative emission purge solenoid coil resistance [at 20

°C (68°F)] Ω

22 

− 26

EGR valve (Stepper Motor) connector resistance [at 20

°C (68°C)] Ω

20 

− 24

Evaporative emission ventilation solenoid coil resistance [at 20

°C (68°C)] Ω

17 

− 21