TL* THE CONTACT OWNS A 2019 MAZDA CX5. THE CONTACT STATED THAT THE ENGINE FAILED. THE DRIVER NOTICED THAT ENGINE OIL WAS LEAKING ON THE GROUND. THE VEHICLE WAS TOWED TO AN UNKNOWN DEALER WHOM ADVISED THAT THE ENGINE NEEDED TO BE REPLACED. THE ENGINE WAS REPLACED. HOWEVER, THE REPAIR DID NOT CORRECT THE FAILURE. THE VEHICLE CABIN FILLED UP WITH SMOKE WHEN THE CONTACT DROVE THE VEHICLE HOME AND THE CONTACT FOUND THAT THE ENGINE WAS LEAKING OIL. THE VEHICLE WAS TOWED BACK TO AN UNKNOWN DEALER FOR INSPECTION. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED. THE APPROXIMATE FAILURE MILEAGE WAS 7,800.