Hello and welcome to the forums.
You can find information about the CPI and how to check for problems here:
http://www.automotiveforums.com/vbul...d.php?t=462726
There are some great pictures here:
http://www.automotiveforums.com/vbul...d.php?t=473110
There is a TSB for the EGR, not a recall. Here is the TSB: (This isn't a free service, the dealer will charge you)
You can find Recall information for your truck here (You can call the dealer and give them your VIN and they will tell you if they have been done):
http://www.automotiveforums.com/vbul...d.php?t=371085
Thanks to ImageShack for
Free Image Hosting