NHTSA Complaint #11671607 — 2017 FORD MUSTANG

The contact owns a 2017 Ford Mustang. The contact stated that after the vehicle was started in the morning, the vehicle was idling rough. The contact stated that later while driving at various speeds, there was a misfire coming from the engine. The contact stated that while checking the engine oil level, the contact became aware that the coolant reservoir level was low. The contact refilled the coolant reservoir however, the engine misfire continued. The contact had taken the vehicle to a local dealer who diagnosed the vehicle and determined that there was coolant intrusion into the cylinders, and that the engine needed to be replaced. The vehicle was not repaired. The contact notified the manufacturer of the failure and was referred by the manufacturer to contact the NHTSA Safety Hotline to report the failure. The failure mileage was 115,288.