J justin h New member Jul 13, 2009 #1 I just replaced the spark plugs in my Jeep Liberty for the first time on my own. How can I tell if they are all firing correctly? I've heard of these specific spark plugs getting burned up shortly after install. They are Bosch 4+ platinum.
I just replaced the spark plugs in my Jeep Liberty for the first time on my own. How can I tell if they are all firing correctly? I've heard of these specific spark plugs getting burned up shortly after install. They are Bosch 4+ platinum.
J Julian W New member Jul 13, 2009 #2 if your motor is running smoothly they are right. if it is ruff as hell they aint right.
