How EFI (Electronic Fuel Injection) works



Electronic Fuel Injection (EFI) has been introduced to replace the need for a carburetor to mix air and fuel in an engine. It injects fuel directly into an engine's manifold or cylinder using electronic controls. The automotive industry has been using this technology for decades. Smaller engines have recently started using this technology.



In the use of small engines, the use of chokes is common when the weather is cold or when the engine is cold. That inconvenience can be avoided with electronic fuel injection. It works very smoothly even in hot and cold conditions. EFI does a better job of preventing fuel wastage. Because the injection process breaks the fuel into smaller atoms, it burns more completely without leaving the leftover fuel that a carburetor does.


A carburetor engine needs to adjust the fuel/air mixture to run properly. EFI does that automatically through electronic controls.

Electronic fuel injection improves your engine's fuel efficiency. Because EFI engines deliver air and fuel with better precision than a carburetor engine, they typically produce lower emissions to improve fuel efficiency. Fuel atomization also helps in complete combustion of the fuel.

If you are an occasional vehicle user, you should refer to cleaning or replacing your carburetor more than anything else. For the advantages of relying on a generator more often, it changes the oil, changes the spark plugs and cleans the filters (all of which are easy for you to do). You don't have a carburetor to maintain.

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