APPARATUS AND METHOD FOR CONTROLLING FUEL SYSTEM OF VEHICLE

In an apparatus and method for controlling a fuel system of a vehicle, the apparatus includes driving information detectors provided to detect vehicle driving information required to determine whether the vehicle is driving while fording water, a controller operably connected to the driving information detectors and provided to determine whether a current driving state of the vehicle satisfies predetermined water-fording driving conditions based on the vehicle driving information, a canister close valve provided on an atmospheric line, and a purge control solenoid valve provided on a purge line, the controller is configured to determine that the vehicle is in a water-fording driving state and outputs a control signal to seal the fuel system, upon determining that the current driving state satisfies the predetermined water-fording driving conditions, and the canister close valve and the purge control solenoid valve are controlled to be in a closed state depending on the control signal to seal the fuel system.