NHTSA Complaint #11712167 — 2019 KIA OPTIMA

The contact owns a 2019 Kia Optima. The contact stated that while the vehicle was parked, there was sputtering sound coming from the engine compartment, with the check engine warning light illuminated. The contact stated that while driving at an undisclosed speed, the vehicle was running rough. The vehicle was taken to the independent mechanic where it was diagnosed with a cylinder misfire and burned spark plug, and that there was oil inside the cylinder and on the spark plug. The contact was informed that the parts needed to be replaced. The vehicle was repaired but the failure reoccurred months later. The vehicle was taken back to the same independent mechanic where it was diagnosed with oil consumption, oil intrusion into the firing chamber, and that another spark plug needed to be replaced. The vehicle was repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 112,000.