Functions of fuel Injectorīelow are the functions of fuel injectors in an internal combustion engine: It provides more accurate fuel metering and quicker response. The system contains fuel injector for each cylinder which spray right to the intake valve. This multi-port fuel injection is also known as port, multi-point or sequential fuel injection. Gradually, as new engines were designed multi-port fuel injection replaced the throttle body fuel injection. These was almost the best alternative, which allows auto manufacturers don’t have to make drastic change on engine designs. It is electrically controlled fuel-injector valves into the throttle body.
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This system is also known as single point or central fuel injection system. But because the component got complicated trying to control all requirement on automobile, a better alternative is released.Ĭarburetors where first replaced with throttle body fuel injection system. In fact, many other machines like the lawnmowers and chainsaws still uses carburetors. It contains valves that are capable of opening and closing many times per second.īefore the existence of fuel injectors, carburetor has been highly used on engines, and till date this engine still exists. 7 Advantages and Disadvantages of Fuel Injection Systemįuel injectors are small nozzle which are controlled electronically to atomize fuel under high pressure into an engine’s combustion chamber.
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6 Symptoms of Bad Fuel Injectors and How to Prevent Them.5.0.1 Watch the video below to have more understanding of the working of fuel injection system:.
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4.2 Single-Point or Throttle Body Injection:.3.0.1 Image below shows the major parts of a fuel injector:.Read: Everything you need to know about automobile piston Today we’ll be looking deep into the definition, functions, parts, types, working principle, problems, as well as advantages and disadvantages of fuel injector system in automotive engines. Indirect injection can also be use, where the fuel is mixed with air before the intake stroke. Gas engines can use gasoline direct injection, where fuel is directly delivered into the internal combustion chamber. Research have shown all diesel engines uses fuel injection by design. Whereas, carburetors rely on drawing of fuel into airstream through a venturi tube.
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Well, the different between fuel injection and carburetion is that fuel injection atomizes the fuel through a small nozzle under high pressure. Over the year, car manufacturers saw great advantages of fuel injectors which is where the downfall of carburetors begins.įrom 1980 onward fuel injection become alternative of carburetors on petrol engines. This process was introduced to keep up with emissions and fuel efficiency laws. An effective process used is known as fuel injection system.įuel injection is the introduction of fuel in internal combustion engines, mostly automotive engines, using injector. They are now bygone most especially for internal combustion engines. Do you know how fuel is supplied into the combustion chamber in automobile engines? Am sure you not thinking of carburetor but fuel injector.