The contact owns a 2018 Ford Escape. The contact stated while driving at an undisclosed speed, the check engine warning illuminated. In addition, the vehicle was driving unusually rough with the engine misfiring. The contact and his father attempted to change the spark plugs. The contact stated that one of the spark plugs had seized and was unable to be removed. The vehicle was towed to the dealer where it was diagnosed with a coolant leak and engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was filed. The contact was informed that the repair was not covered under recall repair or special programs. The failure mileage was approximately 86,000.