Some of the first engines relied on a simple fuel drip, but better ways of introducing fuel into the cylinder would eventually come along. Historical Perspective Early carburetors relied on air flowing over liquid fuel or a wick, gathering fuel vapors for ignition.
Fuel injectors have now entirely replaced carburetors, which was used for fuel delivery for many years. There are several different kinds of electronic fuel injection systems. The simplest kind is called throttle -body injection. A throttle-body injector works essentially like a computerized carburetorwith one fuel injector that delivers fuel to all of the combustion chambers.
The throttle-body injector tends to look similar to a carburetor, as both are positioned on top of the engine and are set up to deliver fuel to all of the cylinders. Ad A more advanced type of electronic fuel injection has a separate fuel injector for each cylinder; this type of fuel delivery system is called multi-port fuel injection.
For this reason, the most advanced type of electronic fuel injection is sequential multi-port fuel injection, which causes each injector to spray immediately before that particular cylinder fires.
Electronic fuel injection is a complicated system, consisting of more than just the fuel injectors. A computer oversees the entire system, determining when the injectors spray and how much fuel is delivered.
A number of sensors send vital information back to the computer to be processed. For instance, the throttle position sensor monitors where the gas pedal, also called the throttle, is positioned; the farther down the gas pedal is pushed, the faster the engine goes, and the more frequently the fuel injectors must spray.
Another sensor, the oxygen sensor, monitors the levels of unburned fuel in the exhaust; if too much fuel is passing through without being burned, the sensor tells the computer that the engine is running too rich, and the computer tells the injectors to spray less fuel at each rotation.
Although electronic fuel injection is much more complicated and requires more computerization than carburetors, the fuel delivery is also much more precise.
Fuel injectors also give cars better power and acceleration, as well as the potential for performance levels of power by essentially reprogramming the computer or increasing the fuel pressure levels.These types of repairs can range from simple carburetor bowl and jet cleaning to complete fuel system removal, inspection, cleaning and sometimes necessitate the replacement of fuel system pumps, carburetors, injectors, lines, etc.
to get you back up and running. Mechanically, carburetors are more complicated than fuel injectors. The simplest way to describe a carburetor is to think about a vertical air tube that leads down to the intake manifold.
Inserted into the side of this air tube is a smaller fuel tube, which is connected to a float bowl.
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An analysis of the importance of carburetors and fuel injectors in cars Published March 30, | By We assume that Patsy nested his decree in a a literary analysis of . A fuel pump draws the fuel from the tank through fuel lines and delivers itthrough a fuel filter to either a carburetor or fuel injector.
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