1994 Dodge Van B250 stalls once within the first few miles of every trip.

What is your question?

All new spark plugs, cap and wires. New battery. Alternator is putting out plenty. Usually happens when taking off from stop. Was suggested maybe fuel filter? What you think? I have not been able to locate fuel filter, is it in tank or above tank?

What makes this problem better or worse?

Usually at take off from stop, upon acceleration.

How long has your 1994 Dodge B250 had this problem?

a few weeks