Electronic fuel injections were introduced in the mid-1980s to replace carburetors in Spark Ignition Engines. Throttle body fuel injection has one or two injectors placed inside the
Throttle body and injects fuel into the inlet manifold.
The difference between carburetor and
Fuel injection is that carburetor uses vacuum to siphon fuel into the
Venturi where air and fuel mixes together,
Whereas in fuel injection,
Fuel is injected at a certain pressure created by
An electric pump mounted within or outside the fuel tank.
The throttle body has a valve that controls the flow of air.
The engine management system controls the fuel rate based on the;
Opening of the throttle valve.
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