The contact owns a 2016 Ford F-250. The contact stated while driving at an undisclosed speed, the reduced power warning light illuminated, and the vehicle lost motive power. The contact drifted over to the shoulder of the roadway. The vehicle was towed to an independent mechanic where it was diagnosed with a failed high-pressure fuel pump. The contact was informed that the high-pressure fuel pump needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 240,000.