Component Function: Injector
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Electronically controlled fuel injector is a solenoid valve which supplies exactly calculated amount of fuel to engine for optimum combustion under various engine load and speed. To meet air-fuel ratio required in system, PCM regulates fuel injection quantity as controlling injector solenoid operating duration referring air flow to cylinders and output signals from HO2S. For this precise control, quick response of solenoid is required and for perfect combustion, injection characteristic is important.