The contact owns a 2014 Ford Explorer. The contact stated that while the vehicle was turned off, there was an abnormal dinging sound heard. The instrument panel lights were dimmed. While driving at approximately 40-45 MPH and depressing the accelerator pedal, the vehicle drove roughly. There were no warning lights illuminated. The vehicle was taken to a tire center, and the spark plugs and coil packs were replaced. The vehicle was repaired, but the failure recurred. The contact thought there was water in the fuel tank. The contact added a fuel treatment. The vehicle was taken to an independent mechanic, where it was determined that there were electrical issues. The contact called a local dealer regarding the warranty on the vehicle. The dealer informed the contact that there was no warranty coverage on the vehicle. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 150,000.