Easygoing6

I have a 2000 Mustang 3.8 L V6 the problem I am having is that after the car warms up and I try to accelerate quickly the tack will hit 3000 RPM and then it runs like somebody put a rev limiter on it replaced plugs wires and a coil pack it alleviated the miss problem which was on cylinder five still scratching my head over the ones engine is warm it's like having a rev limiter Kimmy thousand RPM any suggestions