Car Will Not Accelerate problems of the 2011 Ford Mustang

Tl-the contact owns a 2011 Ford Mustang. The contact stated that while driving 55 mph, the vehicle failed to accelerate and started losing power. The contact stated also that the electronic throttle body warning light became illuminated. The vehicle was able to be pulled over but still failed to accelerate. The vehicle was taken to a dealer where it was diagnosed that the throttle body needed to be replaced however, the vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 51,800. Ed.