after driving my 88 lude 2.0 si for over 45 mins on so i doesnt rev past 4 grand and if i hit the gas it just bogs down on me then it progressivly gets worse like i can cruse on the highway around 3500 but with VERY minimal throttle and anything past mininmal it wants to die on me . but i can shut the car off for 2 mins and start it up and im good for anyonthere half hour HELP ME !!!!!!!!!!!!!!!!