Skinned Knuckles: All About Spark Plugs

Also available on the NBC app

Editor Neil Maken is back with everything you ever wanted to know about spark plugs - how to clean, maintain and read them - with inexpensive DIY tips.

Appearing:Jay Leno
Tags: Neil Maken, Skinned Knuckles
S8 E678 minWeb ExclusiveTalk and InterviewOriginals