![]() How the Engine Receives Gas: When Carburetors Roamed the EarthĬarburetion was the simple system for getting fuel to the engine that predated fuel injection. Feeding gas to the engine has been accomplished through aĪ number of different means, but the first of these was carburetion. Regardless of exactly where it is and how it works, the job of the fuel pump is to pump fuel through the fuel lines, where it can be passed on to the engine. In some cases, an internal pump is used to feed fuel to an external pump. Some are mounted inside your gas tank (where the fuel cools them), while some are mounted outside the tank to the vehicle's frame. This allows finer control and makes them more efficient. Electric fuel pumps are run on electricity and controlled by theĮCU. Diesel engines still use mechanical pumps, though. Most gas cars and trucks today use electrical fuel pumps. The faster the engine ran, the faster the pump pumped to meet the increased fuel demand of the engine. Older models used mechanical pumps that were driven by the crankshaft or the camshaft. Then a pump starts moving fuel through the fuel lines at very high pressure. Going, and gets you where you're going, and we're going to learn about the differentĭevelopments in fuel injection along the way.īefore gasoline can get sprayed out of your fuel injectors,įuel tank until you start your engine. We're going to walk you through how the gas gets where it's To that point, and a lot of steps that have brought fuel injection technology There are a lot of steps involved in getting the gas Spray gasoline into the intake or directly into the engine cylinders, so that A big part of that is getting fuel to theĮngine where it can be combusted to generate power. Simple stuff, but it actually takes a lot of sophisticated engineering to get The engine revs up and your car goes faster. The throttle's butterfly valve adjusts airflow to the engine
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