Hopefully this will help
http://www.4x4xplor.com/sparkplug.html
spark plug loacation on 2006 jeep wrangler sport 4.0 liter engine
In the engine.
when do you change spark plugs
The firing order is 153624 #1ON DIST-CAP IS JUST AFTER LOCKING SCREW FERVEST FROM THE CYLINDER HEAD.
Six
To change the spark plugs in a 1997 astro van do I have to change the spark plugs from the bottom of the engine/
All spark plug gaps are adjustable.
How to change the spark plugs
how to change spark plugs on a 2001 expedition
A swivel spark plug socket will let you get to #1.
A Jeep Wrangler has one spark plug per cylinder.
2002 galant , can't find the spark plugs