NHTSA Complaint #11666610 — 2016 KIA SORENTO

The contact owns a 2016 Kia Sorento. The contact stated that upon starting the vehicle, the vehicle shuddered and made an abnormal sound. Additionally, the contact stated that the vehicle vibrated while being turned off. The vehicle was taken to AutoZone, where unknown diagnostic codes were retrieved. Additionally, the contact stated that while driving 40 MPH and depressing the accelerator pedal, the vehicle failed to accelerate as intended. The check engine warning light was flashing continuously. The vehicle was taken to an independent mechanic, where it was diagnosed that the fuel injectors had failed, and the cylinder #6 spark plugs were replaced. The contact stated that the failure persisted. The vehicle was taken to the dealer, where it was diagnosed with oil intrusion into the engine and the cylinders. Additionally, the contact was informed that the vehicle was experiencing excessive oil consumption. The dealer determined that the cylinder block assembly and the engine needed to be replaced; however, an unknown spark plug was replaced. The vehicle was taken back to the independent mechanic, where a scope with a camera was used to inspect the cylinders, and no oil was found; however, the failure persisted. The vehicle was not repaired. The manufacturer was made aware of the failure and advised the contact that the vehicle needed to undergo an oil consumption test. The contact was advised to drive the vehicle for 1,000 miles. The contact had parked and had stopped driving the vehicle due to safety concerns.  The failure mileage was approximately 75,000.