Cavalier engine problem..
 

hey.. i own a 92 cavalier, 4 door, the biggest beater you'll ever see. it has a 2.2L 4cyl i believe.. the problem is, most of the time when i floor it, it sputters for a bit, till probibly 30-40km/h then it goes good.. and sometimes, it decides to run good, and wont sputter under acceleration. ive used injector cleaner.. any other thoughts on this? i really have no idea.. and its EFI. fuel filter maybe? i really dont know

turned out to be spark plugs, got bosch platinum 4's, runs like a charm now. thanks for all the input :D lol

no problem glad to be of service....lol