I suspect you have something in the tank that's blocking the fuel outlet on occasion. That condition can be difficult to easily verify because when the blockage happens and the truck stops the blockage will often move away from the outlet because the pull from the fuel pump is no longer holding it in place, allowing fuel to flow again. Maybe someone here has an idea of a way to diagnose short of pulling the tank???? It may be a good idea to pull the tank anyway since if that IS the issue you'll have to pull it to clean it.

Last edited by Tiny; 08/06/2011 1:33 PM.
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