The contact owns a 2017 Ford Escape. The contact stated that while driving at an undisclosed speed, the check engine warning light was illuminated. The vehicle was driven to the residence. The contact stated that a mobile mechanic inspected the vehicle and diagnosed the vehicle with a misfire in cylinder #3. The contact was informed that the spark plugs and ignition coils needed to be replaced. The vehicle was repaired. The failure reoccurred. The vehicle was taken to another independent mechanic where it was diagnosed with a coolant leak in cylinder #3 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 but provided no assistance. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 101,854.