5W-30 is the preferred oil , according to the Owner Guide
Either 5W20 or 5W30.
( 5 W 20 ) - according to the 2005 Ford Expedition owners manual
use pennzoil 10w d40
4.6 and 5.4 are using 5W30
5W-20 , according to the Owner Guide
The 2008 Ford Expedition runs on regular unleaded.
The 2001 Ford Expedition runs on regular unleaded.
The 2006 Ford Expedition runs on regular unleaded.
The 2005 Ford Expedition runs on regular unleaded.
The 2007 Ford Expedition runs on regular unleaded.
The 2002 Ford Expedition runs on regular unleaded.
The 2004 Ford Expedition runs on regular unleaded.