The contact owns a 2018 Ford Escape. The contact stated that while her son was starting the vehicle, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, who replaced the spark plugs, but the failure recurred. The vehicle was taken to the dealer, who determined that there was radiator fluid leaking into the engine, causing a misfire. 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 a case was filed. The failure mileage was approximately 120,000.