With engine oil filter change ( 4.25 liters / 4.5 quarts ) according to the Owner
Guide
6 quarts per Ford... Possible more if it has an aftermarket oil pan.
In a 1998 Ford Taurus , with the 3.0 " Duratec " V6 engine : ( 200 horsepower )
.9 lbs of freon
4.5 quarts
8qts
Exactly 7 litres
Need to know what engine you have.
A 1998 Quest should hold about 4- 5 quarts of oil.
In a Ford EXPEDITION : With engine oil filter change : The 4.6 litre V8 engine takes ( 6.0 U.S. quarts )
The 2.5 liter 4 cylinder engine in a 1998 Ford Ranger has 117 horsepower at 4500 RPM
It should hold about five quarts.
With engine oil filter change : The 2.8 liter V6 engine in a ( Ford Ranger ) holds ( 5 quarts )