The Nissan Path

hi all, my 2002 pathfinder 3.3L turn off when i drive normal on the highway like don't has gas, them i turn on again it run ok but turn off in few miles, it take much time to turn on again but when it on run normal, the mechanic chage the fuel filter and the fuel pump but keep the failure, no check engine on, What could be the problem? thanks, Leo

try changing the spark plugs? distributor rotor and cap?

thanks
i found the problem, is the distributor ballbearing