2002 Chevy S-10 car stalls out after driving for about 5 mi

Hello,
Having a problem with my 2002 chevy s-10 pickup v-6 4.3 lliter the car runs for a short time then stalls out it refires for a little while but then it stalls out agian and keeps stalling out will not stay running. I have changed the fuel pump Getting 60 psi at the thorrle body changed the air filter pcv valve changed the distruibor cap and rotor. I thought it was my transmission but had that checked and was ok still having the same problem. Please help me