The contact owns a 2017 Ford Escape. The contact stated that on several occasions when the vehicle was started, there was white smoke coming from the exhaust pipe. The vehicle was taken to a dealer several times for maintenance or service, and the contact inquired about the cause of the white smoke. The contact was informed on several occasion that the smoke as normal, but the vehicle was not diagnosed. The contact stated while driving approximately 15 MPH, the check engine warning light illuminated. The vehicle was taken to a dealer. The contact was informed that there was a misfire coming from cylinder #4 due to coolant intrusion. The contact was informed that the long block needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was unknown.