The contact owns a 2012 Hyundai Santa Fe. The contact stated while driving at 40-45 MPH, she heard an abnormal ticking sound, and the vehicle inadvertently stalled. The contact stated she saw black smoke coming from underneath the hood of the vehicle. The contact did not recall whether a warning light illuminated. The contact and her husband exited the vehicle. The contact stated as they walked back to the vehicle, they notice that the smoke has stopped. The contact and her husband did not sustain any injuries. A police report was not filed. The vehicle was towed to the dealer who diagnosed that the engine needed to be replaced. The contact stated the vehicle had been waiting to be repaired under NHTSA Campaign Number: 20V746000 (ENGINE) for five months as the parts for recall repair were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the failure and a case was opened. The vehicle was not repaired. The approximate failure mileage was 70,000.