When filling up gas in a car why does the first notch at full take the longest to go down, then all subsequent notches go faster?

Question

When filling up gas in a car why does the first notch at full take the longest to go down, then all subsequent notches go faster?

In: 0

Answer 1

You are overfilling your tank (as far as the sensor is concerned) so you have to burn down to the sensor before it can start accurately measuring how much is left.