IN ALL THREE INSTANCES OF VEHICLE COMPONENT FAILURES, VEHICLE WAS TRAVELING AT HIGHWAY SPEEDS WHEN VEHICLE STALLED ON RAODWAY. IN EACH INSTANCE, DRIVER WAS ABLE TO COAST OFF ROADWAY WITHOUT ACCIDENT. IN THE TWO SUSPECTED IGNITION MODULE FAILURE CASES, TEMPERATURES WERE AT 100 DEGREES IN SOUTHERN NEW MEXICO. IN SUSPECTED IGNITION FAILURE CASE OF JAN. 1998, VEHICLE HAD BEEN RUNNING ON HIGHWAY IN SOUTHERN NEW MEXICO COMING INTO EL PASO WHEN VEHICLE STALLED.