What is the function of a car fuel injector?

1 Answers
AlexRose
07/25/25 2:08am
The function of a car fuel injector: 1. A car fuel injector is a simple solenoid valve. When the electromagnetic coil is energized, it generates suction, lifting the needle valve to open the injection hole. Fuel is sprayed at high speed through the annular gap between the needle valve head and the injection hole, forming a mist that facilitates full combustion. 2. The fuel injector receives the injection pulse signal from the engine's electronic control unit to precisely control the fuel injection volume. 3. The fuel injector is a highly precise component that requires a large dynamic flow range, strong resistance to clogging and contamination, and excellent atomization performance.
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