A leaf in your fuel tank? Seen this sort of thing on tractors, its floating around near the pick up in the tank, then as the fuel shifts to one side so the leaf gets sucked onto the pick up
The four thin steel pipes that come off the injectors join close together on a biggish lump of metal, that's your fuel injection pump. Look above those pipes on the top of the FIP and you'll see the electrical connection on top of a round looking thing (solenoid).