NHTSA Complaint #11603774 — 2016 KIA OPTIMA

The contact owns a 2016 Kia Optima. The contact stated while driving at various speeds on several occasions, the vehicle was shuddering with a knocking sound coming from the engine compartment. The vehicle was taken to a dealer where it was diagnosed and determined that the engine needed to be replaced. The vehicle was repaired; however, the failure persisted. The contact stated that a message "Do not drive - Tow to Dealer" was displayed, and the check engine warning light was illuminated. The vehicle was towed to the dealer where it was diagnosed that a loosened turbo hose needed to be tightened. The vehicle was repaired but the failure persisted. The vehicle was towed to another dealer where it was diagnosed that the high-pressure fuel pump needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 112,000.