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The fuel pressure regulator, or so-called gasoline return coil, is one of the important components in the car. The return valve manages the amount of fuel that is sent to the injectors to supply the appropriate amounts to the engine's combustion chamber and regulate fuel pressure. The fuel pressure regulator is found in all cars that operate with internal combustion engines. In today's episode, we will learn about the fuel pressure regulator in cars, its function, types, how it works, and signs of damage.