Fuel Pressure Regulator: Service and Repair

REMOVAL
1. Disconnect battery ground cable.
2. Remove fuel tank filler cap and release fuel tank pressure.
3. Perform fuel pressure release procedure. Service and Repair
4. Remove engine air intake resonators.
5. Disconnect vacuum line at fuel pressure regulator.
6. Remove two allen head retaining screws from fuel pressure regulator and discard.
7. Remove fuel pressure regulator, return seal and O-rings. Discard return seal and O-rings.
8. If scraping is necessary, be careful not to damage fuel pressure regulator or fuel injection supply manifold sealing surfaces.

INSTALLATION
1. Lubricate new fuel pressure regulator O-rings with clean engine oil XO-10W30-QSP or -DSP or equivalent meeting Ford specification ESE-M2C 153-E.

CAUTION: Never use silicone grease. It will clog the fuel injectors.

2. Ensure sealing surfaces of fuel pressure regulator and fuel injection supply manifold are clean.
3. Install new O-rings and new return seal on fuel pressure regulator.
4. Using new allen head retaining screws, install fuel pressure regulator on fuel injection supply manifold. Tighten retaining screws to 3.0-4.5 Nm (27-40 lb in).
5. Install vacuum line to the fuel pressure regulator.
6. Install engine air intake resonators.
7. Install fuel tank filler cap at fuel tank.
8. Connect battery ground cable.

NOTE: Check all connections at fuel injection supply manifold and push on connection fittings to ensure proper engagement.

9. Turn ignition switch ON/OFF several times without starting engine to pressurize system. Check for fuel leaks.