Fuel Delivery and Air Induction: Description and Operation

Fig. 28 EGI System:

This system, Electronic Gas Injection (EGI) consists of the fuel pump, pressure regulator, injectors, and a pulsation damper.
The control unit monitors the various sensors and then determines the amount of time the injectors are open.
The injectors are directly supplied with battery voltage through the main relay. The connector for the injectors is yellow.