Possible Causes:
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2005 Ford RV Cutaway, 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
- low base engine oil pressure
- ICP system leak
- damaged discharge tube
- damaged branch tube
- leaking high pressure tube assembly male/female fitting
- damaged stand pipe/oil supply tube
- damaged or missing stand pipe O-ring
- damaged or missing oil supply tube O-ring
- damaged or missing O-ring between discharge tube and high pressure pump
- damaged or missing discharge tube O-ring that fits inside high pressure pump cover
- damaged or missing high pressure pump inlet O-ring
- damaged or missing O-ring between high pressure oil rail and the injector
- IPR failure
- Faulty high pressure pump