NHTSA Complaint #11570707 — 2018 KIA SORENTO

The contact owns a 2018 Kia Sorento. The contact stated that while accelerating, there was an abnormal knocking sound coming from the vehicle. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed that the knock sensor needed to be replaced. The vehicle was repaired, but the failure recurred. The mechanic completed a road test and indicated that the vehicle was working as designed. The vehicle was not diagnosed or repaired. The contact stated that while driving at 65 MPH, the vehicle was shuddering, shaking, and then lost motive power and stalled. The check engine warning light was illuminated. The contact used a code reader and retrieved DTC code: P1326 (Permanent go Relay Stuck On). The vehicle was taken to an independent mechanic, who cleared the codes but informed the contact that the failure would continue and recommended an engine replacement. The contact stated that while driving at 70 MPH, the check engine warning light illuminated. There was a thumping noise detected from the engine. The contact reduced the speed to 40 MPH. The vehicle began to hesitate, sputtered, and failed to accelerate. The contact used a code reader and retrieved DTC code: P0302 (Cylinder Misfire). The manufacturer was contacted, and opened a case. The failure mileage was approximately 95,000.