The contact owns a 2020 Ford EcoSport. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated that the maintenance warning light was illuminated. The vehicle was taken to the dealer; however, the failure was not duplicated. The contact was informed that parts were not available for the recall repair. The contact received notification of NHTSA Campaign Number: 23V905000 (Engine and Engine Cooling); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 56,000. VIN tool confirms parts not available.