My truck sports and sputters till it cranks??
I have a 98; dodge dokota in the mornings it will
take a minute to crank and before it does it will
spot and sputter and shut off but 2 or 3 time of that
it will crank..I done replaced O2 sensor,map
sensor,crank sensor fuel pump
it's difficult to understand why you would assume that it is your fuel pump right away and dump a bunch of money into that area that quickly. Something doesn't sound right. Now, if you changed those parts OVER a PERIOD of time, that would be nice to explain. good luck