How does the DD-Series ACRS quantity control valve (QCV) manage rail pressure?
A) By optioning high pressure fuel back to the tank directly from the rail
B) By siphoning fuel from the HADIs
C) By limiting fuel admitted to the transfer pump inlet
D) By controlling fuel admitted to the high pressure pump elements

Question

Quizplus · Accepted Answer

The DD-Series ACRS (Amplified Common Rail System) quantity control valve (QCV) manages rail pressure by controlling the amount of fuel admitted to the high pressure pump elements. This regulation ensures the system maintains the desired pressure within the rail, which is crucial for optimal engine performance and efficiency.

How Does the DD-Series ACRS Quantity Control Valve (QCV) Manage