Where is the fuel pressure regulator located on a 99' firebird?
The pressure regulator is located on top of the intake manifold on the fuel rail
The Fuel Pressure Regulator is located on the fuel rail. The fuel rail located next to the engine valve cover. The fuel pressure regulator line needs to be de-pressurized prior to replacing the regulator. This may be accomplished by removing the fuse for the fuel pump while the engine is running. The engine will stop once fuel pressure is lowered.