What would a problem be if you wanted to fill up a fuel tank with gas?

A problem when filling up a fuel tank with gas could be a malfunctioning fuel pump at the gas station, preventing the gas from flowing properly. Additionally, if the fuel tank is damaged or has a leak, it could lead to spillage and safety hazards. Another issue might arise if the gas nozzle doesn’t fit the tank correctly, making it difficult to fill. Lastly, running out of funds or a payment processing issue could also hinder the ability to fill the tank.