valve problems help???

ok so my car blew 2 valve on my motor and went to refix it then put everything back in place, the EM the IM, head, distributor, everything is in place…i turn on my engine and still the same problem occure, the first sparkplug hole near the distributor is not responding(where the valve was replaced) even when i take the wires out or put it back in…my engine is choking as hell and my engine is rumbling back and forth pulling the motor mouth…this sparkplug hole is not responding like the other 3…notice there is a difference when you pull the wires out of the plug and the car choke…nothing happens with the first plug…my wire still works great cause i can see spark when rubing it against metal…nothing wrong with the sparkplug also…i have no idea what seems to be the problem now…i thought changing the valve was my problem now i dont know whats next??..so anyone who knows anything about this situation please help out…thanxs…sorry about the grammer…