What is the Function of the Electronic Fuel Injection System?
2 Answers
The function of the electronic fuel injection system is to precisely control the fuel injection quantity, injection timing, and injection pressure, ensuring that the fuel injected into the engine cylinders achieves optimal performance, resulting in the best balance of power, fuel economy, and emissions. Advantages of the electronic fuel injection system: 1. Improved engine power, fuel economy, and exhaust emissions; 2. Air-fuel ratio feedback control reduces emissions; 3. Direct fuel injection into the intake manifold ensures uniform mixture distribution among cylinders; 4. Precise control of ignition timing allows for more complete combustion of the air-fuel mixture, meeting the demands of various engine loads; 5. Features a self-diagnostic function and a user-friendly interface, making it easier for vehicle owners to inspect and maintain.
Over the years of driving, my biggest takeaway is that electronic fuel injection systems have made cars smarter and more worry-free. Back in the carburetor days, cold starts in winter often failed, but now this system uses computers and sensors to precisely calculate and inject the right amount of fuel into the engine—starting up instantly. The throttle response is sharp, especially in stop-and-go city traffic, with smooth acceleration and no jerking. Fuel consumption has noticeably dropped; my own tests show about 10% savings, meaning fewer trips to the gas station, saving both money and time. Emissions are cleaner too, with fewer harmful gases in the exhaust, making it more environmentally friendly. Maintenance is simpler, just regular sensor checks. This system has truly ushered cars into an era of efficiency.
