Technician A says that the ACRS fuel system allows lower rail pressures to generate higher injection pressures. Technician B says that the ACRS fuel system reduces the tendency of EHIs to leak externally because the seat is not exposed to rail pressure when the injector is closed. Who is correct?

Question

Quizplus · Accepted Answer

The ACRS (Amplified Common Rail System) fuel system indeed allows for lower rail pressures to generate higher injection pressures, which is what Technician A mentions. Technician B is also correct in stating that the ACRS fuel system reduces the tendency of Electronic Hydraulic Injectors (EHIs) to leak externally because the seat is not exposed to rail pressure when the injector is closed. This design feature helps in maintaining the integrity of the fuel system and reducing potential leak points.

Technician a Says That the ACRS Fuel System Allows Lower