Multiport Fuel Injection (MFI) is an ECM-controlled device that meters a portion of pressurized fuel into each cylinder.
The ECM supplies control pulses to the fuel injector solenoid.
Fuel enters the top of the injector, through the ball or needle valve and a recess in the guide plate at the injector outlet.
The guide plate contains 6 holes that control the flow of fuel, creating a conical spray of fuel towards the inlet valve. The atomized fuel evaporates before entering the combustion chamber.
Fuel manifold and injectors (Chevrolet Aveo T250)
The article was checked: Vladimir Romannikov
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