NHTSA Complaint #11480735 — 2016 GMC SIERRA 1500

The contact owns a 2016 GMC Sierra 1500. The contact stated that when the accelerator pedal was depressed, the vehicle responded at a rapid rate of speed. As a result, the vehicle almost crashed into another vehicle. The contact was concerned for her children safety. The check engine warning light was illuminated. The vehicle was taken to an AutoZone where it was placed on a diagnostic machine indicating code P050D. The vehicle was taken to an independent mechanic where it was diagnosed that cylinder #1 had a misfire and the spark plugs needed to be replaced. The vehicle was repaired; however, the contact stated that three days later, the engine warning light illuminated, and the failure recurred. The vehicle was not repaired. The dealer was notified of the failure and scheduled an appointment for a later date. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 72,727.