Mitsubishi Space Star. Manual - part 102

 

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Mitsubishi Space Star. Manual - part 102

 

 

ENGINE AND EMISSION CONTROL  – 

Emission Control System <4G93-GDI, 4G13-MPI>

17-3

EMISSION CONTROL SYSTEM <4G93-GDI,4G13-MPI>

GENERAL

OUTLINE OF CHANGES

The service procedures have been established to describe revised sections due to the changed items
shown below.
<4G93-GDI Engine>



The purge control solenoid valve has been changed to the one with increased flow amount, and the
layout of vacuum pipe and other parts has been changed.

<4G13-MPI Engine>



The purge control solenoid valve has been changed from ON/OFF control to duty control, and the
throttle body intake purge port has been changed from the upstream side to the downstream side.
Furthermore, the purge control solenoid valve has been changed to the one with increased flow amount.



The mounting positions of EGR valve and EGR control solenoid valve have been changed.

GENERAL INFORMATION

The evaporative emission control system used in the 4G13-MPI engine has been changed from before.

<4G13-MPI>

Item

Name

Specification

Evaporative emission control system

Canister

Equipped

Purge control solenoid valve

Duty cycle type solenoid valve
(Purpose: HC reduction)

SERVICE SPECIFICATIONS

Item

Standard value

Purge control solenoid valve coil resistance (at 20



C)   

30 – 34

ENGINE AND EMISSION CONTROL  – 

Emission Control System <4G93-GDI, 4G13-MPI>

17-4

VACUUM HOSE

VACUUM HOSE PIPING DIAGRAM

<GDI>

EGR   valve
(Stepper
motor)

Air cleaner

Positive
crankcase
ventilation
(PCV)
valve

Canister

Purge control
solenoid valve
(ON: Open)

Oxygen sensor (front)

Catalytic converter

P

Air

To fuel tank

Fuel pump 
(high 
pressure)

Throttle control servo

From fuel pump (low pressure)

Oxygen sensor (rear)

<MPI>

EGR valve

Air cleaner

Fuel pressure
regulator

PCV valve

Canister

Purge control
solenoid valve
(ON: Open)

EGR control
solenoid valve
(ON: Close)

Oxygen sensor
(front)

Oxygen sensor
(rear)

Catalytic converter

E

P

A

Air

ENGINE AND EMISSION CONTROL  – 

Emission Control System <4G93-GDI, 4G13-MPI>

17-5

VACUUM CIRCUIT DIAGRAM

<GDI>

To 
combustion
chamber

Intake manifold

Throttle body

From air
cleaner

Vacuum hose colour
B: Black

Purge control 
solenoid valve
(ON: Open)

Canister

P

Red paint mark

Red paint mark

<MPI>

To 
combustion
chamber

Intake manifold

Throttle body

From air
cleaner

Fuel
pressure
regulator

EGR control 
solenoid valve 
(ON: Close)

Vacuum hose colour
B: Black
G: Green
L: Light blue
R: Red
Y: Yellow

Canister

Purge control 
solenoid valve
(ON: Open)

EGR valve

E

P

A

White paint mark

Red paint mark

ENGINE AND EMISSION CONTROL  – 

Emission Control System <4G93-GDI, 4G13-MPI>

Purge control solenoid valve <GDI>

Purge control solenoid valve <MPI>

17-6

EVAPORATIVE EMISSION CONTROL SYSTEM

SYSTEM DIAGRAM

<MPI>

From fuel tank

Canister

Purge control 
solenoid valve
(ON: Open)

Engine coolant  
temperature sensor

Intake air 
temperature sensor

Control
relay

Throttle body

Engine-ECU

Vacuum sensor

COMPONENT LOCATION

 

 

 

 

 

 

 

Content   ..  100  101  102  103   ..