Originally Posted by inkwoop
Check the heat shield on the gas tank it might be coming loose. Mine came loose and was rubbing against the drive shaft and made a noise similar to the one you described. A lil bit of duck tape fixed the whole thing
Finaly another answer! When I looked Under my truck before, everything appeared to be fine but since it is intermitent I'll go look again and try to shake the heatsheilds loose. I know I added more screws to some sheilds because the screw holes rusted out but not to all of the sheilds.