TL* THE CONTACT OWNS A 2013 KIA SOUL. THE CONTACT STATED THAT WHILE DRIVING THE VEHICLE, THE VEHICLE FAILED TO EXCEED 15 MPH, WITH A KNOCKING SOUND COMING FROM THE ENGINE. THE CONTACT STATED THAT THERE WAS ALSO A BURNING ODOR OUTSIDE THE VEHICLE. THE CONTACT ALSO STATED THAT THE CHECK ENGINE WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED DID A SELF CODE READING WHICH RETRIEVED A DTC FAULT CODE: P0420 FOR A FAILING CONVERTER. THE CONTACT HAT THE VEHICLE WAS SERVICED UNDER NHTSA CAMPAIGN NUMBER: 19V120000 (ENGINE, ENGINE AND ENGINE COOLING), HOWEVER A FAILURE RECURRED. THE VEHICLE WAS TAKEN TO MENTOR KIA (9090 MENTOR AVE, MENTOR, OH 44060) WHERE A FAILURE COULD NOT BE DUPLICATED OR FAILURE CODE DIAGNOSED. THE VEHICLE WAS NOT TAKEN BACK TO THE DEALER. THE CONTACT ALSO STATED THAT THE VEHICLE LOSS TWO AND HALF QUARTS OF OIL EVERY TIME THE OIL WAS CHANGED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE BUT OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 125,271.