1990 MITSUBISHI SPYDER Service Repair Manual

Page 793 of 2103

MITSUBISHI SPYDER 1990  Service Repair Manual Emission
ENGINE  AND  EMISSION  CONTROL 
EVAPORATIVE  EMISSION  CANISTER/AIR 
VENTILATION  SOLENOID
REMOVAL  AND  INSTALLATION
Pre-removal  and  Post-installation  OperationSplash  Shield  (R.H.)  Rem

Page 794 of 2103

MITSUBISHI SPYDER 1990  Service Repair Manual ENGINE  AND  EMISSION  CONTROL 
EXHAUST  GAS 
GENERAL  INFORMATION
The  EGR  system  reduces  oxides   in  engine
exhaust  and  helps  prevent  detonation  (engine
knock).  The  system  allows  a  pre

Page 795 of 2103

MITSUBISHI SPYDER 1990  Service Repair Manual Emission  Control 
  Engine 
  C H E C K   . .
To  ensure  proper  operation  of   system,  all 
and moving parts must be free of 
plugging  or  sticking. 
Ensure  that  the  system’  hoses  do  not

Page 796 of 2103

MITSUBISHI SPYDER 1990  Service Repair Manual ENGINE  AND 
Emission  Control  System
Vacuum
Engine  speed 
TSB  Revision
4I
1.Disconnect  the  vacuum  hose  from  the  throttle  body  EGR
vacuum  nipple.  Connect  a  hand  vacuum  pump  to  the
n

Page 797 of 2103

MITSUBISHI SPYDER 1990  Service Repair Manual Emission  Control 
  AND  EMISSION  CONTROL 
8.  Measure  the  resistance  between  the  solenoid  terminals.
Standard  value: 
  [at 
CATALYTIC  CONVERTER
GENERAL  INFORMATION
The  three-way  catalyt

Page 798 of 2103

MITSUBISHI SPYDER 1990  Service Repair Manual ENGINE  AND  EMISSION  CONTROL 
INSPECTION
Check  for  damage,  cracking  or  deterioration.  Replace  if  faulty.
Caution
1.  Stop  the  engine  immediately  if  engine  misfiring
occurs,  otherwise

Page 799 of 2103

MITSUBISHI SPYDER 1990  Service Repair Manual   (Turbo)   2.41  Engines
GENERAL  INFORMATION
The  emission  control  system  consists  of  the  following  sub-systems:
l  Positive  crankcase  ventilation  system
l  Evaporative  emission  control

Page 800 of 2103

MITSUBISHI SPYDER 1990  Service Repair Manual   (Turbo)  and   Engine>
VACUUM  HOSES
VACUUM  HOSE  ROUTING
  Engine  (Turbo)>To  evaporative  emission
(EVAP)  canisterEGR  solenoidEvaporative  emissionFuel  pressure(EVAP)  purge  solenoid solenoi