I have just bought a chevy spark 2011 sport and I went to fill up the than and its has overflowwed. don't know what happened. the seller cann't tell me neither. it has has just overflow and then stop. anyone familiar with this problem

 

Has to be something amiss with your EVAP system. Or the small hose that goes to the top of the fuel tank inlet is somehow the issue.

 

I have to chek it. maybe the hose? do you where it is located, because it has stop leaking as soon it has over flow. but like a liter poured on the grond.