use straight 30 weight detergent
( 5W-20 ) according to the 2001 Ford E-150 Owner Guide
Where is the engine oil cooler on a 1998 Ford Econoline van E150
According to the 2003 Ford E150 owners manual : 5.7 liters ( 6 quarts - U.S. ) with oil filter change
6 qt
You need to remove the oil pan. Its bolted to the bottom of the engine
The most likely culprit is a blown head gasket.
The engine oil pan is bolted to the bottom of the engine
5.5 quarts
it is just above front axial on the drivers side of van
use a funnel and pour it down the dipstick.
5w/30 grade oil
15w40