Nov 26, 2025 · But 1) when I fill up the tank and after getting 25 gallons in the tank the fuel gauge reads FULL and 611 miles to empty, then 2) the tank takes an additional 26 gallons before the …

Apr 22, 2024 · Fuel fill configuration for dual tanks Discussion in ' 1967 - 1972 Ford F100, F250 and F350 Truck Forum ' started by JimC, Apr 22, 2024.

Feb 16, 2017 · How To Tell The Gallon Size of Tank Discussion in ' 1973 - 1979 Ford F100, F150, F250-F350 Truck Forum ' started by allisca, Feb 16, 2017.

Mar 19, 2017 · I need to empty my gas tank on my 2003 F150. 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...

Feb 18, 2022 · -the front tank does exhibit some same issues as the rear but on a scale of 1 to 10 it’s a 2, very little -the rear tank does run from the get go but varies in duration before …

May 9, 2020 · When replacing the tank heater, I did break off the outlet line nipple, but thought I repaired it, so that might account for the reductant pressure being too low. Anyway, my main …

Feb 17, 2019 · 78 F250 4x4 Side Tank question Discussion in ' 1973 - 1979 Ford F100, F150, F250-F350 Truck Forum ' started by dfronheiser, Feb 17, 2019.

Jun 17, 2020 · The previous owner was running it off the auxiliary tank only, as the main tank behind the seat was full of really bad gas. I recently put a new main tank behind the seat. …

Mar 17, 2025 · The tank selector valve not only switches fuel lines but also switches the signal wire from the proper sending unit to the gauge. So if you bypassed the selector valve and …

Jun 27, 2025 · Fuel Filter (clogged or dirty): Even if it’s technically a “lifetime” filter (in-tank), contaminants can clog it. ️ Consider replacing it if it hasn’t been done recently, or check flow …