Egr Temperature Sensor Inspection; Egr Solenoid Inspection - Mitsubishi 1989-1993 GALANT Service Manual

EMISSION CONTROL SYSTEMS -
TSB Revision
Exhaust Gas Recirculation (EGR) Svstem
REMOVAL
(1) When removing the thermal vacuum valve, do not use
wrenches or other tools on the resin part.
(2) When disconnecting the vacuum hose, put a mark on the
hose so that it may be reconnected at original position.
INSTALLATION
(1) Apply specified sealant to the threads of thermal vacuum
valve and tighten to specified torque. When installing the
thermal vacuum valve, do not use wrenches or other tools
on the resin part.
Specified sealant:
Specified torque: 20-40 Nm (15-30 ft.lbs.)
(2) Reconnect the vacuum hose as it was before.
INSPECTION
(1) Remove the EGR temperature sensor.
(2) Place the EGR temperature sensor in water, and then
measure the resistance value between terminals 1 and 2
while increasing the water's temperature.
Replace the EGR temperature sensor if there is a signifi-
cant deviation from the standard value.
INSTALLATION
(1) Install the EGR temperature sensor, tighten to specified
torque.
Specified tightening torque:
EGR SOLENOID <California>
INSPECTION
NOTE
When disconnecting the vacuum hose, make an identification
mark on it so that it can be reconnected to the original posi-
tion.
(1) Disconnect the vacuum hoses (yellow and green stripe)
from the solenoid valve.
(2) Disconnect the harness connector.
green-striped vacuum hose was connected.