How can I fix the hesitation in my 1991 Doge Caravan, 3.3L?

My 1991 Dodge Grand Caravan, 3.3L engine has developed a hesitation problem after it goes about 1/2 mile. When it is cold it is fine. I've replace coil pack, plugs, wires, cam shaft sensor, and fuel filter. It is idling rough.
G. J. Horton, May 2007


done
Be sure to check fuel pressure

bg, May 2007
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