OEM 2003 Ford Expedition Fuel Pressure Regulator

2003 Ford Expedition Fuel Pressure Regulator Parts Questions & Experts Answers

• Q: What precautions should be taken when servicing the fuel pressure regulator on 2003 Ford Expedition?

  A: The presence of highly flammable mixtures inside the system requires that technicians stay away from all smoking and open flames when working on the fuel pressure regulator to prevent personal injuries. Maintaining high pressure in the fuel system becomes dangerous to humans during vehicle downtime so professionals must reduce the fuel pressure before starting any component or line disconnect procedure. Initiate the work by decreasing fuel pressure before canceling the vacuum hose and unfastening the snap ring and gripping the fuel pressure regulator. Discard the old O-ring seals. Installation requires new fuel-resistant O-ring seals alongside avoiding the use of regular seals which may cause leakage. Repeat the use of old seals is not permitted. When installing the new O-ring seals apply engine oil to them before putting them into place and follow the uninstallation sequence to finish the installation.