Fuel and Emission Control Parts

Fuel and Emission Control Parts

REMOVAL AND INSTALLATION

Removal Steps 1-17:

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 the 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:
13-16 ohms [at 20 °C (68 °F)] (Non-Turbo)
2-3 ohms [at 20 °C (68 °F)] (Turbo)

INSTALLATION SERVICE POINTS




A 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 the injector lop end into the fuel rail. Be careful not to damage O-ring during installation.
3. Install the injector clip by sliding open end onto the injector and onto the fuel rail.

B 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 injector top end into the fuel rail. Be careful not to damage the O-ring during installation.

C 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.