under the intake manifold mounted to the CFI (central fuel injector)
it is under the upper intake manifold, if you have a vortec engine
Under the upper intake assembly
On the 2004 Chevrolet Silverado with a 6.0L Vortec engine, the fuel pressure regulator is integrated into the fuel pump assembly, which is located inside the fuel tank. To access it, you'll typically need to remove the fuel tank, as the regulator is not externally accessible. It's important to relieve fuel system pressure before attempting to service it.
It is located in the throttle body.
That is were the fuel injectors are at, and the fuel pressure regulator is on the rear of it.
The fuel pressure regulator maintains a constant predetermined fuel pressure regardless of engine RPMs.
It is in the throttle body.
The 2001 Kia fuel pressure regulator can be found on the top of the engine. The fuel pressure regulator will be near the back of the engine.
This fuel pressure regulator is a component part of the SFI (sequential fuel injection) assembly, sometimes referred to as "spider". It resides inside of the air intake plenum and is accessed by removing the upper half of the intake.
The fuel pressure regulator is located on the fuel rail of the engine. The regulator is placed at end of the fuel rail.
It controls the fuel pressure supplied to the engine.
Check the pressure regulator, fuel filter and fuel pump.