2008 MITSUBISHI LANCER EVOLUTION X catalytic converter

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Page 70 of 241

MITSUBISHI LANCER EVOLUTION X 2008  Workshop Manual EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-8
EMISSION CONTROL
GENERAL DESCRIPTIONM2171000101024
The following changes have been made to the con-
trols of the 2.4L engine provided on the GALANT.
SY

Page 71 of 241

MITSUBISHI LANCER EVOLUTION X 2008  Workshop Manual EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-9
<California>
Exhaust gas cleaning devices list
AK604141
Three-way catalytic converter Heated
oxygen
sensor
(front)
Heated
oxygen
sensor
(rear)
HC trap

Page 72 of 241

MITSUBISHI LANCER EVOLUTION X 2008  Workshop Manual EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-10
CRANKCASE VENTILATION SYSTEMM2171000400129
A blow-by gas reduction device prevents blow-by 
gas from being expelled into the atmosphere and is 
of clo

Page 76 of 241

MITSUBISHI LANCER EVOLUTION X 2008  Workshop Manual EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-14
EMISSION REDUCTION SYSTEMSM2171000800064
These decrease CO, HC and NOx in the exhaust 
gases and consist of air-fuel ratio feedback control 
and catal

Page 77 of 241

MITSUBISHI LANCER EVOLUTION X 2008  Workshop Manual EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-15
HEATED OXYGEN SENSOR (3RD)
The heated oxygen sensor (3rd) is installed to the HC trap cat-
alytic converter. The heated oxygen sensor (3rd) detects th

Page 95 of 241

MITSUBISHI LANCER EVOLUTION X 2008  Workshop Manual 13A-1
GROUP 13A
MULTIPORT FUEL 
SYSTEM (MFI)
CONTENTS
GENERAL DESCRIPTION. . . . . . . . .13A-2
CONTROL UNIT. . . . . . . . . . . . . . . . .13A-6
SENSOR. . . . . . . . . . . . . . . . . . . . . . .13

Page 107 of 241

MITSUBISHI LANCER EVOLUTION X 2008  Workshop Manual SENSOR
MULTIPORT FUEL SYSTEM (MFI)13A-14
.
HEATED OXYGEN SENSOR (except centor 
exhaust pipe heated oxygen sensor <California>)
Heated oxygen sensors are installed in 2 positions (front, rear) 
on the

Page 127 of 241

MITSUBISHI LANCER EVOLUTION X 2008  Workshop Manual FUEL INJECTION CONTROL
MULTIPORT FUEL SYSTEM (MFI)13A-34
[Injector drive time compensation]
After calculating the injector basic drive time, the ECM makes 
the following compensations to control the o