公开(公告)号：US20210123405A1

公开(公告)日：2021-04-29

申请号：US16617218

申请日：2018-05-25

Applicant: DELPHI TECHNOLOGIES IP LIMITED

Inventor： GUILLAUME FABER ,  STEPHANE BELSOEUR

IPC: F02M65/00

Abstract: The invention relates to a maintenance system for a fuel injection system provided in an internal combustion engine, the fuel injection system defining a hydraulic circuit having a high-pressure pump, a solenoid valve, a pressure sensor, a metering solenoid valve, a common rail and injectors. The maintenance system includes a manual control unit connected to a hydraulic unit, the hydraulic unit being capable of being inserted into the hydraulic circuit of the fuel injection system and including a test solenoid valve and a test pressure sensor mounted in a body provided with an inlet mouth, an outlet mouth and a leakage mouth.