TL* THE CONTACT OWNS A 2003 CHEVROLET IMPALA. WHILE DRIVING APPROXIMATELY 50 MPH, THE VEHICLE LOST ACCELERATION. THE VEHICLE WOULD NOT ACCELERATE EVEN WHEN THE ACCELERATOR PEDAL WAS DEPRESSED. THE CONTACT PULLED THE VEHICLE OVER TO THE SIDE OF THE ROAD AND NOTICED SMOKE EMERGING FROM THE ENGINE COMPARTMENT. THE CONTACT HAD TO USE A FIRE EXTINGUISHER TO EXTINGUISH THE FLAMES INSIDE THE ENGINE. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS NOT TAKEN TO THE DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE CONTACT ALSO MENTIONED THAT THE ORIGINAL OWNER PROVIDED A LETTER REGARDING NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE). THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 291,000.