Fuel Pressure Regulator: Installation
- Ensure fuel pressure regulator has 2 plastic spacers. Ensure fuel rail has 2 "O" rings installed in fuel pressure regulator cavity. See Fig 1 . Lubricate "O" rings with clean engine oil. Insert fuel pressure regulator into fuel rail. Install fuel pressure regulator retainer.
- Install retainer screw. Tighten to 50 INCH lbs. (5.6 N.m). Connect fuel pressure regulator vacuum connection. Pressure test system for leaks.
Place new gasket on pressure regulator, and carefully install new "O" ring. Position pressure regulator on throttle body, and press regulator into place. Install mounting screws, and tighten screws to 40 INCH lbs. (4.5 N.m). Install vacuum hose to throttle body. Pressure test system for leaks. Reinstall air cleaner assembly.