Fuel Injection Systems - Mitsubishi Forum - Mitsubishi Enthusiast Forums

PCM & Fuel Systems Talk about the powertrain control module, fuel systems and delivery, customization and more.

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Old 11-10-2016, 09:03 AM
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Default Fuel Injection Systems

All petrol engines require only two key elements take place - the right amount of fuel gas opening spark off the coil at the precise moment any given speed, and fuel delivery system of the carburetor is a different fuel system composed each with a definition. Work to comply. During cold starts, the choke chain adds additional fuel and air to keep the engine from stalling. When the engine reaches its operating temperature, the throttle channel closes. At idle (open throttle), the idle mixture screw and chain transfer port allocate extra fuel if required by the engine. As the air flow into the engine increases, the fuel main draw adjusts fuel flow associated with the share of gas supply. If the throttle is opened suddenly, the accelerator pumps jet fuel turn circuit in the intake manifolds.
While carburetors are services provided for the supply of fuel for over a century and are still mostly worked fine, there are some things they simply cannot cope. A carburetor is a fundamental element of aluminum with a plurality of holes drilled in it. Since the air pressure changes in the carburetor, fuel, and air flow through the various holes and into the engine. However, the carburetor ability to handle changing work environment is limited in terms of responses to changes in altitude and engine temperature compensation. They also lack precise control of fuel emissions and produce the overall functioning of the excessive fuel consumer spending steady state and the acceleration of the engine. In short, carburetors are too stupid to continue to be beneficial to provide a precise mixture of air / fuel in these vehicles. What is needed is a fuel supply system of the brain.
In addition, to perform all functions of the carburetor, EFI system also regulates the idle speed of the engine and a host of features for the ignition system of the time. It regulates the fuel supply using solenoid valves (Fuel injection pump) which open electronically for different periods of time. When the injectors are activated, they disperse the fuel into the engine. The amount of time is called the pulse width of the injector, and the higher it is, the more the amount of fuel injected into the engine. While all EFI systems use fuel injectors which operate in the same way, there are various design strategies and EFI-based computers that are used today.
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