NHTSA Complaint #11469827 — 2015 KIA OPTIMA

The contact owns a 2015 Kia Optima. The contact stated while driving approximately 70 MPH the accelerator felt soft to her and as she depressed the accelerator the vehicle began to lose forward momentum. The contact stated the "check engine" warning was illuminated and the engine was still functioning but the contact stated there was no power. The contact safely coasted the vehicle off the side of highway. The contact shut the vehicle off and then restarted and was able to move forward, however the engine could only manage to move the vehicle at approximately 35 MPH and still had the "check engine" warning illuminated. The contact drove the vehicle to her residence and later to an auto parts store who scanned the vehicle and determined that the "knock sensor (P1326) code was detected. The vehicle was not repaired. The contact had taken the vehicle previously to a dealer to have a recall on the "knock sensor" repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 147,000.