The contact owns a 2018 Ford F-250. The contact stated while driving at an undisclosed speed, the vehicle lost motive power. The contact stated that the failure had occurred while a trailer was attached. The contact stated that his family was inside the vehicle during the failure. The vehicle was restarted. The vehicle was taken to the dealer where it was diagnosed with fuel system failure. The contact was informed that the fuel system needed to be replaced. The vehicle was not repaired. The contact referenced an unknown recall repair; however, the VIN was not included in the recall. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 116,000.