Removal (5.7L VIN P)
- Relieve fuel pressure. Remove fuel rails. See FUEL PRESSURE RELIEF (PFI) and FUEL RAIL & INJECTORS (PFI) .
- Remove crossover tube retainer on right fuel rail. remove rear crossover tube retainer at pressure regulator on right fuel rail. Separate fuel rail assemblies.
- Remove pressure regulator bracket-to-fuel rail bolt. Remove bracket-to-regulator base bolt. Remove bracket. Remove fuel outlet tube-to-fuel rail bolt. Remove base-to-right fuel rail bolt.
- Remove pressure regulator assembly from fuel rail. Rotate pressure regulator and remove from outlet tube. Remove base-to-fuel rail connector tube. Remove "O" rings from connector tube, outlet tube and crossover tube.