Mitsubishi Eclipse. Manual — part 709
EMISSION CONTROL
TSB Revision
ENGINE AND EMISSION CONTROL
17-117
EVAPORATIVE EMISSION CANISTER AND FUEL TANK PRESSURE RELIEF
VALVE
REMOVAL AND INSTALLATION
M1173004800188
Pre-removal and Post-installation Operation
Fuel Tank Assembly Removal and Installation (Refer to
GROUP 13C
.)
AC002235
1
2
3
4
5
6
7
8
9
10
AB
REMOVAL STEPS
1. PROTECTOR
2. CANISTER UPPER BRACKET
3. CANISTER ASSEMBLY
4. VENT HOSE
5. ONBOARD REFUELING VAPOR
RECOVERY (ORVR) VENT VALVE
MODULE
6. BRACKET
7. VENT PIPE
8. VENT HOSE
9. VENT HOSE
10. VAPOR HOSE
REMOVAL STEPS (Continued)
EMISSION CONTROL
TSB Revision
ENGINE AND EMISSION CONTROL
17-118
INSPECTION
M1173004600203
ORVR VENT VALVE MODULE CHECK
1. Blow air through orvr vent valve module nipple (A). Check
that the air flows out of nipple (B) and nipple (C).
2. Connect a hand vacuum pump to nipple (A) of the orvr vent
valve module.
3. With air flow through nipple (C) obstructed, apply a vacuum
and check that the vacuum is maintained.
AC001912AB
A
B
C
EVAPORATIVE EMISSION
VENTILATION SOLENOID
AIR FILTER
VENT VALVE
AC001913AB
A
C
EMISSION CONTROL
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ENGINE AND EMISSION CONTROL
17-119
4. Check air tightness by applying a vacuum with voltage
applied directly from the battery to the orvr vent valve
module and without applying voltage.
5. Measure the resistance between the terminals of the
solenoid.
Standard value: 17
− 21 Ω [at 20°C (68°F)]
6. Replace orvr vent valve module if resistance is out of
specification.
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
AC001914
A
AB
AC001915
EMISSION CONTROL
TSB Revision
ENGINE AND EMISSION CONTROL
17-120
REMOVAL AND INSTALLATION
M1173003900375
AC004608
N
N
1
2
3
3
<2.4L ENGINE>
AC
12 ± 2 N·m
107 ± 17 in-lb
12 ± 2 N·m
107 ± 17 in-lb
49 ± 10 N·m
37 ± 7 ft-lb
59 ± 10 N·m
44 ± 7 ft-lb
44 ± 5 N·m
33 ± 3 ft-lb
REMOVAL STEPS
<<A>>
>>A<<
1.
HEATED OXYGEN SENSOR
(REAR)
2.
FRONT EXHAUST PIPE
(CATALYTIC CONVERTER
INCORPORATED)
3.
HANGER
REMOVAL STEPS (Continued)
AC106411
N
N
N
N
1
2
3
4
5
6
7
8
9
<3.0L ENGINE>
44 ± 5 N·m
33 ± 3 ft-lb
44 ± 5 N·m
33 ± 3 ft-lb
49 ± 9 N·m
37 ± 6 ft-lb
59 ± 10 N·m
44 ± 7 ft-lb
32 ± 7 N·m
24 ± 5 ft-lb
35 ± 4 N·m
26 ± 3 ft-lb
35 ± 4 N·m
26 ± 3 ft-lb
32 ± 7 N·m
24 ± 5 ft-lb
49 ± 9 N·m
37 ± 6 ft-lb
44 ± 5 N·m
33 ± 3 ft-lb
12 ± 2 N·m
107 ± 17 in-lb
12 ± 2 N·m
107 ± 17 in-lb
12 ± 2 N·m
107 ± 17 in-lb
N
AB
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