Why can't i siphon the fuel out of the tank with a hose like we used to do Is there some sort of a. Duel tank, both fuel pumps work but when pulling fuel from rear tank it also fills up front tank If front tank is full it. I recently picked up the truck and fuel switch for dual tanks works, but the gauge always stays pegged to the f so i never know how much gas i actually. It does fairly well when filling from our overhead rural gravity fed tank because we.
Just low pressure pump in each tank, high pressure pump in the rail there is a can where all 4 lines go together, and into 2 lines coming out, this is the system that keeps the tank you are pulling from, from filling the other tank They are getting hard to find and expensive when they fail, they shut down the fuel pressure.
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