Dude i have the same problem and was reading another blog, this guy changed all the censor, fule filter, spark plugs and so have i, but the one thing that fixed his proble that i havent done is there was a leak in the exhaust. check that out, i know i have one mayb u do too. let me kow if the problem was fixed.

 

If you have swapped coils and plugs around and you are still getting misfire on 2 then it may be the ICM if your car is equipped with one.