catalytic converter MITSUBISHI LANCER 2005 Workshop Manual

17-1
GROUP 17
ENGINE AND
EMISSION
CONTROL
CONTENTS
ENGINE CONTROL . . . . . . . . . .
17-2
GENERAL INFORMATION . . . . . .
17-2
SERVICE SPECIFICATIONS. . . . .17-2
ON-VEHICLE SERVICE. . . . . . . . .17-2
ACCEL CABLE CHECK AND
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . 17-2
ACCELERATOR CABLE AND
PEDAL . . . . . . . . . . . . . . . . . . . . . .
17-3
REMOVAL AND INSTALLATION . . . . . 17-3
EMISSION CONTROL MPI . . . .17-5
GENERAL INFORMATION . . . . . .
17-5
EMISSION CONTROL DEVICE
REFERENCE TABLE . . . . . . . . . .
17-5
SERVICE SPECIFICATION(S) . . .17-5
VACUUM HOSE. . . . . . . . . . . . . . .17-6
VACUUM HOSE PIPING DIAGRAM . . . 17-6
VACUUM CIRCUIT DIAGRAM . . . . . . . 17-7
VACUUM HOSE CHECK. . . . . . . . . . . . 17-8
VACUUM HOSE INSTALLATION . . . . . 17-8
CRANKCASE EMISSION CONTROL
SYSTEM . . . . . . . . . . . . . . . . . . . . .
17-8
GENERAL INFORMATION (CRANKCASE
EMISSION CONTROL SYSTEM) . . . . . 17-8COMPONENT LOCATION (CRANKCASE
EMISSION CONTROL SYSTEM) . . . . . 17-9
POSITIVE CRANKCASE VENTILATION
SYSTEM CHECK . . . . . . . . . . . . . . . . . . 17-9
POSITIVE CRANKCASE VENTILATION
(PCV) VALVE CHECK . . . . . . . . . . . . . . 17-9
EVAPORATIVE EMISSION CONTROL
SYSTEM . . . . . . . . . . . . . . . . . . . . .
17-9
GENERAL INFORMATION (EVAPORATIVE
EMISSION CONTROL SYSTEM) . . . . . 17-9
COMPONENT LOCATION (EVAPORATIVE
EMISSION CONTROL SYSTEM) . . . . . 17-10
PURGE CONTROL SYSTEM CHECK . . 17-10
PURGE PORT VACUUM CHECK . . . . . 17-11
PURGE CONTROL SOLENOID VALVE
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . 17-11
FUEL VAPOUR CANISTER REMOVAL
AND INSTALLATION . . . . . . . . . . . . . . . 17-12
EXHAUST GAS RECIRCULATION
(EGR) SYSTEM . . . . . . . . . . . . . . .
17-13
GENERAL INFORMATION
(EGR SYSTEM) . . . . . . . . . . . . . . . . . . . 17-13
COMPONENT LOCATION
(EGR SYSTEM) . . . . . . . . . . . . . . . . . . . 17-14
EGR SYSTEM CHECK . . . . . . . . . . . . . 17-15
EGR VALVE CHECK . . . . . . . . . . . . . . . 17-15
EGR PORT VACUUM CHECK <4G1>. . 17-16
EGR CONTROL SOLENOID VALVE
CHECK <4G1> . . . . . . . . . . . . . . . . . . . . 17-16
EGR CONTROL SOLENOID VALVE
CHECK <4G6> . . . . . . . . . . . . . . . . . . . . 17-17
EXHAUST GAS RECIRCULATION (EGR)
VALVE REMOVAL AND
INSTALLATION . . . . . . . . . . . . . . . . . . . 17-18
CATALYTIC CONVERTER . . . . . .17-18
REMOVAL AND INSTALLATION . . . . . . 17-18

EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-5
EMISSION CONTROL
GENERAL INFORMATIONM1173000100370
The emission control system consists of the following
subsystems:•Crankcase emission control system
•Evaporative emission control system
•Exhaust emission control system
EMISSION CONTROL DEVICE
REFERENCE TABLE
M1173006600135
SERVICE SPECIFICATION(S)M1173000300288
Items Name Specification
Crankcase emission control
systemPositive crankcase ventilation
(PCV) valveVariable flow type
(Purpose: HC reduction)
Evaporative emission control
systemCanister
Purge control solenoid valveEquipped
Duty cycle type solenoid valve
(Purpose: HC reduction)
Exhaust emission control system Air-fuel ratio control device - MPI
systemOxygen sensor feedback type
(Purpose: CO, HC, NOx reduction)
Exhaust gas recirculation system
•EGR valve
•EGR control solenoid valveEquipped
Single type
Duty cycle type solenoid valve
(Purpose: NOx reduction)
Catalytic converter Monolith type
(Purpose: CO, HC, NOx reduction)
Related parts Crankcase
emission
control
systemEvaporative
emission
control
systemAir/fuel ratio
control
systemCatalytic
converterExhaust gas
recirculation
system
PCV valve
×
Purge control solenoid valve
×
MPI system component
××
Catalytic converter
×
EGR valve
×
EGR control solenoid valve
×
Items Standard value
Purge control solenoid valve coil resistance (at 20°C) Ω30 − 34
EGR control solenoid valve coil resistance (at 20°C) Ω29 − 35

EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-6
VACUUM HOSE
VACUUM HOSE PIPING DIAGRAMM1173000900417
AK300964
To
fuel tankFuel pressure
regulatorFrom
fuel pump
Catalytic
converter
Catalytic
converter Oxygen sensor
(front)
Oxygen sensor (rear)EGR valve <4G1>
EGR control
solenoid valvePurge control
solenoid valveCanisterAir
AB
Air cleaner
AK204364
AC
Air cleaner
Air
Canister
Purge control
solenoid valve EGR control
solenoid valve EGR valve From
fuel pump To
fuel tankFuel pressure
regulator
PCV valve
Oxygen sensor
(front)
Oxygen sensor (rear) Catalytic
converter
Catalytic
converter
<4G6>

EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-18
EXHAUST GAS RECIRCULATION (EGR)
VALVE REMOVAL AND INSTALLATION
M1173010500175
CATALYTIC CONVERTER
REMOVAL AND INSTALLATIONM1173003900386
Refer to GROUP 15 - Exhaust Pipe and Main Muffler P.15-11.
Pre-removal and Post-installation Operation
Air Cleaner Assembly Removal and Installation (Refer to
GROUP 15 P.15-3).
AC208130
21 ± 4 N·m
2 13
N
AC
<4G1>
AC301219
19 ± 3 N·m2 1
3
N
AC
<4G6>
Removal steps
1. Emission vacuum hose connection2. EGR valve
3. EGR valve gasketRemoval steps (Continued)