2011 Peterbilt 389 fuel won’t stay equal

[Lonestar10]

how far off are we talking when driving down the road your right tank if your in the right lane should almost always be 1/8 or so higher than left just from the lean of the road. and when parked somewhere its a crapshoop as to which tank will be higher due to slope of parking lots.

ive only got 1 fuel gauge and on the really cold nights when ill idle the truck i have had my gauge go from 1/2 to a bit over 5/8 just from the lean of a lot filling my drivers tank more than passenger.