When an E3 EUI is actually injecting fuel to the engine cylinder, what is the status of the actuators?
A) neither one is energized
B) only SV solenoid is energized
C) only NCV solenoid is energized
D) both SV and NCV solenoids energized

Question

Quizplus · Accepted Answer

During the injection phase of an E3 Electronic Unit Injector (EUI) system, both the Spill Valve (SV) solenoid and the Nozzle Control Valve (NCV) solenoid are energized. This allows for precise control of fuel injection timing and quantity.

When an E3 EUI Is Actually Injecting Fuel to the Engine