Mitsubishi 4G1 Service Manual page 461

A
Fuel and Emission Control Parts
INSPECTION
EGR VALVE
(1) Check EGR valve for sticking or carbon deposits.
If such conditions exist, clean or replace EGR valve.
(2) Connect a hand vacuum pump to the nipple of EGR valve
and plug other nipple.
(3) Apply a vacuum of 500 mmHg (19.7 in. Hg) to make sure
that a vacuum is maintained. If there is a leak, replace the
EGR valve. In addition, check the valve for its opening and
closing by applying and removing a vacuum.
INJECTORS
(1) Using an ohmmeter (circuit tester), test for continuity
between terminals of injector; the circuit should be closed.
If failure is detected, replace the injector.
Standard value:
Non-turbo
Turbo
INSTALLATION SERVICE POINTS
INJECTORS / INJECTOR CLIP INSTALLATION
(1) Before installing an injector the rubber O-ring must be
lubricated with a drop of clean engine oil to aid in
installation.
(2) Install injector top end into fuel rail. Be careful not to
damage O-ring during installation.
(3) Install injector clip by sliding open end onto injector and
onto the fuel rail.
1 EN025(
INJECTOR INSTALLATION
(1) Before installing an injector the rubber O-ring must be
lubricated with a drop of clean engine oil to aid in
installation.
TSB Revision
13 - 16 fi [at 20°C (68"F)l
2 - 3 Cl [ a t 20°C (68"F)]
1 l,F-55