Your car's engine needs a very specific diet of air and fuel to do its job, and it's the fuel pressure regulator's (FPR) job to feed it the right amount. The gadget is relatively tiny and can fit in ...

What it is (geek talk) - All fuel injected vehicles are equipped with fuel pumps that run more fuel than is required in the fuel rail that feeds the injectors. As a result, most vehicles have OEM fuel ...

Unlike with carburetors (which use about 7 psi), fuel injection relies on much higher fuel pressure (usually between 38-50 psi). The elevated pressure helps atomize the fuel as it flows through the ...

Holley Performance Products (Holley) is recalling certain Fuel Pressure Regulators. Please see the recall report for a complete list of part numbers. The fuel pressure regulator diaphragm may become ...

Today's high-performance engines are able to deliver horsepower numbers unheard of 10 years ago. With better-flowing cylinder heads, ignition systems, and camshaft profiles, the potential for huge ...