Posted to Ford Driveability on 3/9/2007 4 Replies

Thanks in advance for the help, This truck came in for a miss on cyl. 4 & 7. The spark was weak, truck had 175000 miles so, I replaced both coils. It had new plugs and wires put in a few thousand miles ago. Now I have weak spark output on the coil tower for #4...

FIX posted 3/9/2007