Fuel Supply Components

The fuel supply is stored in the fuel tank. An electric fuel pump, located in the fuel tank with the gauge sending unit, pumps fuel through an in-line fuel filter to the fuel rail assembly. The pump provides fuel at a pressure more than is needed by the injectors. The pressure regulator, part of the fuel rail assembly, keeps fuel available to the injectors at a controlled: pressure. Unused fuel is returned to the fuel tank by a separate line.