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Audi FSI

 
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NarendZORCE
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PostPosted: Mon Jun 30, 2008 12:14 pm    Post subject: Audi FSI Reply with quote

FSI ( Fuel Stratified Injection ) enables stratified charge (ultra lean burn) combustion for improved fuel efficiency and emission levels at low load, further improving efficiency and high-load output-power. The engine only needs a fuel-air mixture capable of immediate ignition in the area around the spark plug.


FSI engine highlights:
-A high-pressure common rail fuel injection system with a demand-controlled single-piston injection pump specially developed for the purpose; this only supplies sufficient fuel to maintain the desired pressure in the system.
-On this engine, fuel is not injected into the intake port, but directly into the combustion chamber. The injector, which is supplied by a single-piston pump and common rail fuel line, is in the side of the cylinder head, and controls the injection time to within thousandths of a second, at injection pressures of up to 110 bar.

Advantages:
It is distinctly more dynamic,
Both its torque and power output are higher,
Yet fuel consumption is simultaneously as much as 15 percent lower
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