Hey guys. My uncle just got up to Michigan for work and his 06 5.9 started throwing a PO148 code. I have been researching and found a good site to figure out which one of the many problems it could be. I wish I could physically help him but Im too far away so I decided to call on you guys. Here is the site that I found with the scantool test procedures. Thanks for the help guys, Jake.
http://www.ramforumz.com/showthread.php?t=39615
http://www.ramforumz.com/showthread.php?t=39615