Removal & Installation
Observe all applicable safety precautions when working around fuel. Whenever servicing the fuel system, always work in a well ventilated area. Do not allow fuel spray or vapors to come in contact with a spark or open flame. Keep a dry chemical fire extinguisher near the work area. Always keep fuel in a container specifically designed for fuel storage; also, always properly seal fuel containers to avoid the possibility of fire or explosion.
- Before servicing the vehicle, refer to the Precautions Section.
- Relieve the fuel pressure.
- Remove the intake plenum.
- Place a shop towel under the fuel pressure regulator to absorb any lost fuel when removing the regulator.
- Remove the atmospheric vent hose from the fuel pressure regulator.
Remove the fuel pressure regulator clamp bolt.
WARNINGNote the position of the atmospheric vent on the fuel pressure regulator so that it can later be installed in the same position.
- Spread the clamp enough to allow it to be removed from the fuel pressure regulator.
- Twist the fuel pressure regulator while pulling out to remove it from the fuel rail.
Apply a few drops of clean engine oil to the O-rings on the fuel pressure regulator before installing it into the fuel rail.
NOTEBe sure to locate the atmospheric vent on the fuel pressure regulator, in the same position that the vent was originally located.
- Twist the regulator while pushing the regulator into the fuel rail until seated.
- Install the fuel pressure regulator clamp bolt and tighten to 44 inch lbs. (5 Nm ).
- Install the atmospheric vent hose on the fuel pressure regulators port.
- Connect the negative battery cable.
- Using the scan tool turn ON the fuel pump to pressurize the system.
- Check for fuel leaks.
- Install the intake plenum.