Method of manufacturing a fuel injector

摘要

A method of manufacturing a fuel injector is disclosed. The method includes assembling a power group assembly with a valve group assembly to form the fuel injector. The power group assembly includes an overmold formed over a coil assembly. The valve group assembly includes a tube assembly formed by connecting an inlet tube to a valve body. The valve body includes a seat, a lower guide, and an armature/ball assembly disposed within the valve body. A retention member can be used to retain the power group assembly to the valve group assembly.