TRAVELING EAST ON I-20 IN ARLINGTJON TEXAS OUR CAR BEGAN LOSING POWER AND COASTED TO A STOP. WE WERE POWERLESS TO MOVE AND COULD NOT GET OFF THE FREEWAY. WE WERE HIT FROM BEHIND AND AS REPORTED OUR CAR WENT AIRBORNE. THE TRUCK THAT HIT US ALSO HIT ANOTHER VEHICLE AND FLIPPED ONTO ITS TOP. IN ALL 4 PEOPLE WENT TO HOSPITAL INCLUDING MY SELF AND MY WIFE. IN RESEARCHING THE REASON THE CAR STOPPED, I FOUND A NUMBER OF OTHER CASES OVER SEVERAL YEARS OF PEOPLE ONLINE THAT LOST POWER IN THIS TYPE VEHICLE. THE PROBLEM SEEMS TO BE A SENSOR FOR THE CRANKSHAFT/CAMSHAFT THAT FAILS CAUSING STALLING. I CONTACTED NISSANS REPRESENTATIVE(CASE NUMBER18593816) AT 615-725-7539. TOLD THEM THE CAR HAD BEEN SEALED AND SECURED AWAITING THEIR INSPECTION TO DETERMINE THE PROBLEM. THEY REFUSED TO INSPECT THE VEHICLE SAYING THEIR WERE NO RECALLS ON IT. I FEEL THIS IS A DANGEROUS SITUATION THAT COULD HAVE KILLED US AND OTHERS.