Dodge Repair: engine shuts down, oxygen sensors, gas flow

Question
trying to figure out why the car shuts down under power and starts right back up causing severe bucking acts like the car is locking up    this is a 1993 dodge concorde 3.9L  i have changed the oxygen sensors ,new catylitic converter tune up ,new map sensor     should i be looking in other places like the tranny or brain

Answer
hello don
your wright i do not belive it is the tranny but it could be your compuiter is starting to go it controlls pcm gas flow and the flow of spark . did you get a diagnostiac test the best way to go . let me know if you need more help i would look in that compuiter i belive it is it please rate my serivice pete