The contact owns a 2019 Ford Fusion. The contact stated that while driving at an undisclosed speed, there was an engine misfire, with the check engine warning light illuminated. The vehicle was able to restart. The vehicle was taken to the dealer where it was diagnosed with coolant intrusion into the engine, which caused 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 referred the contact to the NHTSA Hotline for assistance. The approximate failure mileage was 108,831.