Engine stops while driving

What is your question?

2008 Chevy express cargo van 4.6 litre engine shuts off completely while driving.Then it won't start.Even when it restarts again u drive a very short distance it happens again.I replaced fuel pump .What could be the problem

What makes this problem better or worse?

Nothing seems to make it better

How long has your 2008 Chevrolet Express 1500 had this problem?

A few days ago