Electric Fuel Pump Pressure
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2004 Ford RV Cutaway, 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, and 2004 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
- Measure the fuel system pressure at the engine filter housing test port.
- Road test the vehicle with the engine at full load condition.
| Instrument | Specification | Measurement |
|---|---|---|
| 0-1.1 MPa (0-160 psi) gauge | 310-379 kPa (45 -55 psi) minimum |
If pressure fails low, go to 10B. ELECTRIC FUEL PUMP INLET RESTRICTION .
If fuel pressure is above specification, check fuel return lines for restriction.
If no restriction is present, install a new fuel pressure regulator valve.