i have the 89 tbi 350. i was driving along and runnin low on gas .so i stopped and got gas. the car started and fubled it idle. i pulled over and looked under the hood. my oil cap was gone,so i got a oil cap and put it on and its still fumbles,ive replaced the dist. cap,rotor,fuel pump. what could it be, i also tried to turn the a/c on help me

 

Are you still on that same tank of gas?