ohio roll call
Seasoned Member
Joined: May 2011
Posts: 501
Likes: 0
From: west milton,ohio
Year: 1992
Model: Cherokee
Engine: 4.0L HO
Originally Posted by Customizer1000
James is, I'm just a hack lol
Seasoned Member
Joined: May 2011
Posts: 501
Likes: 0
From: west milton,ohio
Year: 1992
Model: Cherokee
Engine: 4.0L HO
Originally Posted by greenxj21
No how do I do that
Senior Member
Joined: Jun 2012
Posts: 634
Likes: 0
From: Cuyahoga Falls
Year: 1994
Model: Cherokee
Engine: 4.0l
Originally Posted by LongArmXJ
Supposed to take all the plugs out then test each cyl.
CF Veteran
Joined: Apr 2011
Posts: 2,080
Likes: 0
From: Dayton Ohio
Year: 1998 classic
Model: Cherokee
Engine: 4.0!!
you are supposed to pull all the spark plugs to keep the rest of the cylinders from building pressure and giving you a faulty reading.
Last edited by LongArmXJ; Nov 28, 2012 at 01:51 PM.





