CAR WAS IDLING IN A DRIVE THROUGH AND SMOKE BEGAN POURING OUT OF ENGINE COMPARTMENT. SHUT OFF CAR AND POPPED HOOD AND THE ENGINE WAS ON FIRE (VISIBLE FLAMES) UNDERNEATH WHERE OIL WOULD BE ADDED TO CAR. FIRE DEPARTMENT WAS CALLED TO EXTINGUISH FIRE. PREVIOUS OWNER REPAIRED 2009 RECALLED PART BUT I WAS UNAWARE OF 2015 RECALL.