last week while filling up my 3500, i had fuel gush out of the filler neck. at first i thought it was because of the high volume nozzel, but it happened again with a small nozzel. now i can hardly get any fuel into the truck without it backflowing. talked to my dealer service mgr {who knows his stuff} he said to remove the rubber cover over the vent on top of the tank. this was put there for shipping purposes and supposed to be rmoved at the factory. id read about this in the forumns before and suspected the same thing. well i pulled it off and still have the same problemn. i have a 90 gal aux tank and guess what? today it started acting like it was losing its prime, and is flowing at about a 1/4 rate. im just about down to filling my baby up with 5 gal cans. any, repeat any, advice would be much obliged.
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