TL* THE CONTACT OWNS A 2012 KIA OPTIMA. THE CONTACT STATED THAT THERE WAS EXCESSIVE SMOKE AND A PREMATURE BUILD UP OF ENGINE SLUDGE. THE VEHICLE WAS TAKEN TO THE DEALER MORE THAN TWICE FOR DIAGNOSTIC TESTING AND ADVISED THAT THE MOTOR BE REPLACED. THE VEHICLE WAS TAKEN TO A MECHANIC FOR INSPECTION. THE MANUFACTURER PROVIDED NO SOLUTION TO PREVENT THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 40,000.