These vehicles integrate a fuel pressure sensor and fuel temperature sensor which through the ECM help to regulate the fuel pressure.
Removal & Installation
A small amount of fuel may be released when it is removed from the delivery pipe. Place a shop cloth under delivery pipe so that released fuel is absorbed in it.
A small amount of fuel may be released when hose is disconnected. Cover the hose to be disconnected with a shop cloth.
Relieve fuel pressure.
Disconnect battery negative cable from battery.
Remove engine cover.
Remove fuel pressure regulator (1) from delivery pipe (3).
Disconnect fuel return hose (2) and vacuum hose (4) from pressure regulator.
Fig. Remove the fuel pressure regulator
For installation, reverse removal procedure and note the following precautions.
Use new O-ring.
Apply thin coat of gasoline to O-ring to facilitate installation.
Fig. Install a new O-ring
Tighten fuel pressure regulator bolts (1) to 8 ft. lbs.
Fig. Tightening fuel pressure regulator bolts
With engine -OFF- and ignition switch -ON-, check for fuel leaks around fuel line connection.