Bad spark plug making engine run rough

This video shows what a bad spark plug looks like versus a good one. This truck has basically been running only 7 out of the 8 cylinders so replacing the one spark plug for a couple bucks can make a huge difference.

[@makaupurple8242]

Your voice sound almost as vin diesel lmao

[@brandonmitchell2374]

Great video sir! You just gained a subscriber

[@willitfix9823]

Thank you :)

[@dismo021]

Im having arking on top of my engine n running real rough can this be because of bad plug boots?

[@lilak7115]

spark plug wires could be crossed