Whats wrong??

I have a 92 cavalier and the fuel injector had a crack in it so i replaced it and now it don't even want to stay running. I've even tried a different injector. Whats wrong!!!:banghead:

fuel pump, CPS, another bad injector, fuel filter, coil pac, wires,

one bad injector, the car would still run but stumble horribly.. Little more info would be helpful.

the car ran fine before i replaced the injector bun then i went to start it and sounded like it was only running on one or two cylinders. Checked 4 spark on all 4 cylinders have spark i tried two different injectors and one i know works fine. I did crack one of the vacuum lines but fixed it.

Is the Check Engine Light on? Do you know for sure that you plugged all of the injectors back in properly? Try pulling off each injector connector one at a time while the engine is running - the one that doesn't make the engine bog down when you pull it off is the cylinder that is giving you trouble. Then you can focus on that cylinder. If none of them seems bad, check vaccuum leaks again and make sure nothing else (like the fuel pressure regulator) is unplugged.