NHTSA Complaint #11464839 — 2016 FORD MUSTANG

The contact owns a 2016 Ford Mustang. The contact stated that after starting the vehicle, the check engine warning light was illuminated on the instrument panel. The vehicle was taken to an independent mechanic where the mechanic discovered a misfire in cylinder #3. The coil and the spark plug in cylinder #3 were replaced; however, the check engine warning light intermittently illuminated as the temperature gauge indicated that the engine was hot. The contact took the vehicle back to the mechanic where they discovered that the coolant level was low and recommended that the vehicle be taken to a dealer. The vehicle was taken to the dealer and the diagnostic test discovered that coolant had leaked into cylinder #3 and that the engine needed to be replaced. The manufacturer was notified of the failure and provided a case number. The contact was then referred to the NHTSA for assistance. The vehicle had yet to be repaired. The failure mileage was approximately 59,000.