Both the multi-point and the single-point systems operate in a very similar fashion, having an electromechanically operated injector or injectors opening for a predetermined length of time called the injector pulse width. The pulse width is determined by the Electronic Control Module of the engine (ECM and depends on the engine temperature, the engine load and the information from the oxygen (lambda) sensor. The fuel is delivered from the tank through a filter, and a regulator determines its operating pressure. The fuel is delivered to the engine in precise quantities and in most cases is injected into the inlet manifold to await the opening of the valve, then drawn into the combustion chamber by the incoming air.
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We will be looking at the Electronic Fuel Injection system and the Fuel injectors function and types
Programming BMW F Series
Description
we talk about the components of ebgine fuel injection system and its work.
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