my first firebird, throttle/ fuel problems

hey i have a 94 firebird, 6c/ 3.4, it drove for a bit, but not with alot of power, but the guy i bought it from said it dumped oil, well i let it run and idle for a good 45 mins to find the dump, but it never came, so i drove it around the block to heat it it, well as soon as i rounded the corner, it lost power, now when i dose turn over, it runs funny, then when i hit the gas it cuts out, almost turns off, but if i let the gas off, it revs up a bit before comin back down and turning off, i need help its my only vehical and i need it fix, HELP MY BRAIN HURTS:banghead::icon16:

Trade it or get it repaired.

could be a number of things, vacuum leak , loose wire, a short in a wire, fuel problem ,plugged injectors or fuel filter or rust in the tank