Electronic control fuel injector and internal combustion engine

The utility model provides an electronic control fuel injector and an internal combustion engine. The electronic control oil injector comprises an injection valve assembly which comprises a first body and an injection valve and is used for opening or closing an oil injection hole of the electronic control oil injector. The pilot valve assembly comprises a second body and a pilot valve, and the pilot valve assembly is connected with the injection valve assembly at the first end of the injection valve assembly; the electromagnetic valve assembly comprises an electromagnet and an armature connected with the electromagnet, and the armature of the electromagnetic valve assembly is connected with the pilot valve assembly at the first end of the pilot valve assembly; and the mounting block body is internally provided with a guide hole, the guide hole is used for accommodating the armature, and the guide hole is used for guiding the movement of the armature. The technical scheme has the advantages of being compact in