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How does a fuel injector work?
Home » Automobiles » Fuel Injection » How does a fuel injector work?Simply put, the fuel injector supplies the fuel for combustion which makes the engine run. The amount of fuel needed to be delivered to the engine at any given moment, called fuel metering, is determined by an electronic device, hence the name "electronic fuel injection". However, mechanical devices previously were used in fuel metering. With more current designs, a device called an engine control unit measures how much fuel to inject into the engine. With the aid of an eternal pump, the fuel injector "sprays" fuel into the air flow of the engine.
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