The contact owns a 2018 Ford Focus. The contact received notification of NHTSA Campaign Number: 23V905000 (Engine and Engine Cooling). The contact stated that on several occasions while driving at undisclosed speeds, the vehicle lost motive power and decelerated unintendedly. The check engine, oil, and engine failure warning lights were illuminated. The contact pulled over to the side of the road and restarted the vehicle. The vehicle was then towed to a dealer where it was diagnosed and determined that the engine needed to be replaced. The vehicle was repaired three times, but the failure persisted. The manufacturer was notified of the failure. The failure mileage was approximately 48,000.