FUEL INJECTOR CONCEPT 3D model

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Fuel injectors, inserted nozzle-first into inlet manifolds or cylinder heads, angle sprays toward inlet valves. Two types exist based on injection systems: continuous injection, where fuel consistently enters the port, and timed injection, delivering fuel in bursts during induction strokes. Control may be mechanical or electronic; early systems were mechanically controlled, known as petrol injection (PI), but faced issues with complexity and throttle response.