Quote Originally Posted by BillBoost37 View Post
Nacho..
You say if you know the coil is good, you are trying to rule out plug or wire, even injector by swapping the wires. It doesn't work that way. If the miss moves and all you've changed is the tower on the coil, then it's the coil. When you move a piece of the puzzle say injector and the miss moves with that injector, then the problem is the moved part.
No, if the missfire moves to the companion cylinder we rule out non-ignition components as cause. I don't understand how you're reaching this, I never typed that it would rule out a plug or wire. It helps to narrow the cause down to plug, wire, or ICM. It does work this way.