You have to drop gas tank. Take gas tank off vehicle and drain it. Make sure your gas tank is almost empty due to it will be very heavy if full. You may even get hurt.
A gas tank can indeed overflow if it is not full. A gas tank can overflow if the pressure inside of it is too high.
Your gas tank is Full 'you have gas' full
How many miles on a full tank of gas for 1997 Chevy Malibu
You can put about a pint in a full tank of gas.
No
For long term storage, keep it full.
How many miles does a full tank of gas get in a 2001 Alero Oldsmobile car
You need to siphon it out. You'll also need several gas cans if the tank is full.
The 1995 Astro van on a full tank of gas can travel for about 500 miles.
It may be a problem with the sensor, which is located in the gas tank itself. If this is the case, the gas tank will have to be removed and exchanged for a tank with a working sensor. Needless to say, this is a job for a mechanic with a lift available.
Usually in the wings. However, there are some older small planes that have the tank located behind the instrument panel.