Mitsubishi 4G6 series Specifications download pdf (Page 49)

466

ENGINE

<1992>

Fuel and Emission Control Parts

IX-49

6EMO3RL

INJECTORS

6FU1920

SOHC

6EN0520

DOHC

6EN0521

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.

(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 13

[at

20°C

(68”F)l

Turbo

[at

20°C

(68”F)]

INSTALLATION SERVICE POINTS

I)A4

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.

(2) Install the injectors from the top end into the fuel rail.

Be careful not to damage the O-ring during

installat.ion.

I)B4

FUEL PRESSURE REGULATOR INSTALLATION

(1)

Before installing the pressure regulator the O-ring must be

lubricated with a drop of clean engine oil to aid in

installation.

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Mitsubishi 4G6 series Specifications Page 49

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