The contact owns a 2015 Ford Fusion. The contact stated that while driving at an undisclosed speed, there was an engine misfire. Additionally, the vehicle stalled and lost motive power. No warning light was illuminated. The contact stated that after several attempts, the vehicle restarted. The vehicle was driven to the residence. The contact stated that an independent mechanic inspected the vehicle and became aware of white smoke coming from the exhaust pipe. The vehicle was diagnosed with coolant intrusion and engine failure. The vehicle was not repaired. The dealer was made aware of the failure. The manufacturer was made aware of the failure. The failure mileage was approximately 149,000.