Quote:
Originally Posted by CrownVic55
I agree with Dave to check float travel. If tank is empty, tie a piece of string to float arm and with it installed in tank, check guage reading while pulling up on string _don't have mounting screws too tight. Guage should read full when float hits top of tank. Will also check that float arm isn't hitting something on it's travel.
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While the principle seems good, the tank is full but due to the relatively horizontal fill tube to the license plate, I don't think it can be pulled-up to the top so it would be unknown as to where the float is.
It seems if there was an obstruction preventing the float from reaching the top of the tank knowing it is full, that when it "floats" down to half, it would read a half. When the tank is actually or approximately at a half, it reads empty.
Logically, this is beyond strange. On the Fairlane forum, another owner has the same problem and not-good-to-hear says he's been chasing this for four years! In his case, another strange thing is he says, if he took every tank mounting bolt out, it reads correctly. With just one even started, it returns to reading wrong! This would seem to be just the opposite relative to grounding. And the beat goes on..............