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Home >> Toyota >> 2003 >> Matrix Base, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel Systems >> Fuel Control >> Fuel Injectors
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Fuel Injectors

Fuel injectors are electrically operated solenoids which deliver fuel to individual cylinders. Engine Control Module (ECM) controls fuel injector duration based on various input signals to determine air/fuel mixture.