NHTSA Complaint #10748986 — 2014 NISSAN NV2500

I WAS DRIVING ALASKA HWY WITH TRAVEL TRAILER. TOTAL LOAD OF TRAVEL TRAILER 2,000#. AFTER 2-3 HOURS DRIVING ON CRUSE CONTROL UP THE HILL THE CRUSE CONTROL TURNING OF BY ITSELF. THE RPM IMMEDIATELY DROPS FROM 4500 TO 1800 RPM AND YOU NEED TO USE IMMEDIATELY MANUAL ACCELERATION.ALSO YOU CAN SMELL GASOLINE IN CABIN. SINCE THAT IT HAPPENS ABOUT 25-30 TIMES. THIS CARGO VAN I PURCHASED IN DECEMBER 2014. I DID GO TO AUTHORIZED SERVICE IN FAIRBANKS AK. THE SERVICE MAN DROVE THE VAN FOR ABOUT AN HOUR WITHOUT TRAILER AND TOLD ME HE COULD NOT FIND ANYTHING WRONG.THEY CHARGED ME DIAGNOSTIC FEE ON CAR WITH 5 YEARS OR 100K WARRANTY. WHEN WE COME BACK HOME FROM ALASKA I DID CALL DEALER IN VACAVILLE CALIFORNIA. I TOLD MY STORY. HE TOLD ME THE SERVICE ADVISER WILL CALL ME. THAT WAS 2 WEEKS AGO. STILL NO CALL. ALSO I HAVE CASE # WITH NISSAN 19322453. NO HELP FROM THEM EITHER. I THING IS SERIOUS SAFETY ISSUE DUE TO IMMEDIATE LOST OF ACCELERATION.