When the SV solenoid is energized in twin actuator EUI, which of the following passages is immediately closed off?
A) cylinder head return gallery
B) EUI pump chamber to nozzle duct
C) nozzle valve pressure chamber
D) EUI control valve spill circuit

Question

Quizplus · Accepted Answer

When the SV solenoid in a twin actuator EUI (Electronically Unit Injector) is energized, it immediately closes off the EUI control valve spill circuit. This action is part of the process to build up pressure in the injector for fuel injection.

When the SV Solenoid Is Energized in Twin Actuator EUI