What Does the Fuel Supply System Consist Of?
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Fuel supply system components: fuel tank, fuel lines, fuel pump, fuel filter, air filter, fuel pressure regulator, fuel injector, cold start injector, fuel pressure pulse damper, intake manifold, exhaust manifold, etc. The task of a gasoline engine's fuel supply system is to prepare a specific quantity and concentration of combustible air-fuel mixture according to the engine's various operating conditions, delivering it into the cylinders to ignite and expand near the end of the compression stroke for power generation. Current fuel supply systems for gasoline engines include: carburetor-type fuel supply systems, fuel injection-type fuel supply systems, liquefied petroleum gas (LPG) fuel supply systems, and other hybrid fuel supply systems. The carburetor-type fuel supply system is the traditional fuel delivery method for gasoline engines and remains widely used today, while fuel injection systems have now become prevalent in gasoline engines.