DROVE ON HIGHWAY AND VEHICLE STARTED TO SMOKE. PULLED OFF AN EXIT, OPENED HOOD AND FLAMES WERE COMING OUT FROM ENGINE COMPARTMENT. CAR IS SITTING AT A GARAGE WAITING TO BE REPAIRED. THIS IS THE THE 3RD ENGINE IN THE CAR, ALL RESULTING FROM OVERHEATING OR FIRE. 6/2001- ANTIFREEZE FIRE- ISSUED A USED ENGINE 5/2005- ANTIFREEZE FIRE- BOUGHT A USED ENGINE 3/2006-ANTIFREEZE AND OIL LEAK- REPLACE ALL ASSOCIATED HOSES/O-RINGS 2/2012- ENGINE FIRE- WAITING FOR REPAIRS. *TT