So start car and start pulling the coils one at time and the idle doesnt drop its that coil if not move on the next one?

 

Yes pull them one at a time and if the idle drops then the coil is still good. If nothing happens when u pull it then thats the bad one. U dont have to remove the coils at all to check. Just pull the plug and see what happens.

 

Alright will give it a shot.

 

I just fixed my random Misfire code and it was due to a clogged cat! All it takes is one side to be clogged up.