The contact owns a 2020 Ford F-250. The contact stated while driving at an undisclosed speed, the vehicle briefly hesitated and failed to accelerate as intended. The vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was taken to the dealer for diagnosis. The dealer performed a routine transmission service but did not provide a specific diagnostic result. The vehicle was not repaired. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 64,000.