Overfilling theory (input needed)

[Cogeneration]

Originally Posted by trollbait

I think the manual to a past car said to fill to the second click. Possibly to account for the first click being triggered by frothing.

I use the a lower fill setting when available. Some stations might only have have one.

For monitoring fuel economy, pick a fill method and stick with it for better precision in the calculations.

I've never seen froth/foam from a gas tank fill. Now diesel, holy foaming Batman.