The contact owns a 2016 Ford Edge. The contact stated that while driving 70 MPH, the vehicle vibrated abnormally with the check engine warning light illuminated. The contact stated that on a separate occasion, while driving 50 MPH, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light was illuminated. In addition, the contact stated there was an abnormal sound coming from the engine. The contact stated that two weeks later, while starting the vehicle, there was white smoke coming from the exhaust, with an abnormally sweet odor coming from the exhaust. The vehicle was not diagnosed or repaired. Most recently, the contact stated that while driving 50 MPH, the vehicle jerked and stalled. The contact was able to coast to the side of the road. The vehicle restarted, and the contact was able to drive the vehicle to the residence. The vehicle was taken to the dealer and was diagnosed with coolant intrusion into cylinder #1, causing engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The vehicle was taken to a local independent mechanic, where it was confirmed that the engine needed to be replaced due to coolant intrusion. The vehicle was not repaired due to the cost. The manufacturer was informed of the failure and referred the contact to the NHTSA Hotline to report the failure. The contact stated that the failure persisted. The vehicle remained at the residence and had not been driven since the latest failure. The failure mileage was approximately 127,000.