Oxidation/rust of engine parts in 2017 Yaris

[jowii]

Originally Posted by dogsridewith

Sorry that I can't understand the math and descriptions and photos of this fuel gauge problem. If the gauge just dropped from F to a little bit below F driving off, then I don't see any problem. If it stopped filling at 15/16 to "F" and dropped to 7/8 a mile down the road, I also wouldn't worry or dribble in more on the next fills to push the needle above 15/16.
Slope of the fill-up location makes some difference in fill amount and level sensing too.

Gotcha. I guess I may also be misinterpreting what the gauge represents. It was unexpected that between 1/2 and 7/8 on the gauge would be just 3 gallons.