It seems as if spark plug wires are always in the way. If they're not cooking themselves on a header tube, they're contributing to that errant misfire that took you half a day to track down! As long ...

I have a 1996 Ford Explorer with a 4.0-liter OHV engine. It developed a misfire on cylinder 4. It was overdue for the replacement of spark plugs and wires, and after I replaced them the problem ...