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Fuel Pressure Regulator – R088004

Fuel Pressure Regulator – R088004

In Stock

Sku:33330

$69.63

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Function of a Fuel Pressure Regulator:

A fuel pressure regulator (FPR) is an essential part of an Electronic Fuel Injection (EFI) system. Its main purpose is to maintain a consistent and precise fuel pressure in the fuel rail, where the fuel injectors are located. This is vital for:

Proper Fuel Atomization: The correct fuel pressure ensures that the injectors can effectively atomize the fuel, creating a fine mist that mixes efficiently with air for combustion.

Engine Performance: By regulating fuel pressure, the FPR helps the engine maintain the ideal fuel-to-air mixture across various operating conditions, from idle to high RPMs, and under different loads.

Preventing Damage: Without a functional FPR, the fuel pump could either starve the injectors of fuel (too low pressure) or force too much fuel into them (too high pressure), leading to engine problems or even damage to the injectors themselves.

Fuel Return: In most systems, the FPR bleeds off excess fuel back to the fuel tank, preventing over-pressurization of the fuel system.

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