In older cars, this usually means replacing the fuel pump as well. But they can be subject to wear and tear, at which point they’ll need to be replaced. These types of regulators control the fuel pressure before it leaves the tank, ensuring that the perfect amount of gas is pumped out.įuel pressure regulators, especially on newer cars, don’t need to be replaced often at all. A little old school, so you can probably guess how newer cars operate.īut in case you can’t guess, newer cars have a simpler, more efficient, and much more reliable fuel pressure regulator, which is built directly into the fuel tank. The fuel pressure regulator allows the right amount of gas to pass through, and sends the rest of it right back into the gas tank. The fuel pump sends more gasoline than is needed out of the tank, and the regulator intercepts it before it gets to the fuel injectors. On most older cars, the fuel pressure regulator is located outside of the fuel tank. Now, there are two main types of fuel pressure regulators that your car may have. You don’t want too much or too little gasoline being fed to the fuel injectors, so the regulator maintains the proper amount of fuel pressure, to make for a happy fuel system. The role of the fuel pressure regulator is remarkably simple, and exactly as the name suggests: It regulates fuel pressure. Okay, so the name might make it sound a little complex, but a fuel pressure regulator is actually a very simple part of your car’s fuel system.
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