Recommended Procedure:
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Ford RV Cutaway, 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
- Verify there is fuel in the tank.
- Remove the plug from the front of the engine fuel filter housing. Install High Pressure Pump Test Adapter 303-765 or equivalent and Gauge 0-1.1 MPa (0-160 psi) Bar 014-00761 or equivalent.
- Road test the vehicle at a full load condition.
If pressure fails low, go to step 10b .
If fuel pressure is above specification, check the fuel return lines for a restriction.
If no restriction is present, install a new fuel pressure regulator valve.