fbirdserge00

This problem started about a year ago and i still havent figuered it out. MY 00 T/A ws6 is mostly stock other than no cats, o2 sims and slp predator not in use at time because of misfire. well the car runs fine when its cold at wot and at cruis, but once the car gets to about 140 or higher temp the car starts to hesitate even at normal accel. and at wot the car just goes off and starts afterfiring. Any pointer will be helpfull thanks. Oh yeah changed fuel filter,cleaned k&n, MAF, replaced crank sensor, checked spark plugs for proper gap, and checked fuel press. at fuel rail in park while reving eng..