EGR cleaning:
http://isuzufaq.ibctech.ca/#faq1
http://www.icess.ucsb.edu/~greg/rodeo/egr.htm
http://www.automotiveforums.com/vbul...&highlight=egr
http://isuzufaq.ibctech.ca/EGR.doc
http://isuzufaq.ibctech.ca/egr-repair.pdf

Fuel filter change (easy):
http://www.vehicross.info/forums/showthread.php?t=1673

My dipstick does the same thing, however, if the holes are not filled up on the stick than that means it is not actually going down into the oil, but rather picking it up from the sides of the shaft probably. I usually top off til the top hole is filled in.