NHTSA Complaint #10883479 — 2015 FORD EXPLORER

EXHAUST GAS FUMES COME INTO THE INSIDE CABIN WHILE DRIVING, MOSTLY FROM THE REAR OF THE VEHICLE. THE AIR CONDITIONING OR HEATER IS ON AND THE RECIRCULATION FAN CAN BE EITHER ON OR OFF. FAILURE MODE CAN BE ON FLAT SURFACE BUT MOSTLY OCCURS GOING UP AND DOWN HILLS. NOT SURE IF THE DECELLERATION OF THE VEHICLE IS PART OF THE CAUSE. PROBLEM IS INTERMITTENT, MAY NOT OCCUR FOR WEEKS AND THEN MIGHT OCCUR 3-4 TIMES IN A DAY ONE SPECIFIC EXAMPLE IS ON NOVEMBER 30, 2015, AT 2:30 PM HVAC SYSTEM IS SET TO HEAT, SET TO 73 DEGREES HEAT IN DUAL TEMP CONTROL IS ON, RECIRCULATION IS ON, ELEVATION IS 3100 FEET, GOING UPHILL ON CATRON BLVD TOWARDS HIGHWAY 16 IN RAPID CITY, SD,(OUTSKIRTS OF TOWN), DECELERATED FROM 50 TO 40 MPH AT 40MPH SPEED LIMIT SIGN, SEVERAL VEHICLES AROUND US, ODOMETER READING WAS 5482.5 MILES, AND SMELLED EXHAUST FUMES IN THE CABIN THAT APPEARED TO COME FROM THE REAR OF THE CABIN, HAD TO OPEN BOTH FRONT WINDOWS FOR ABOUT A MINUTE TO GET THE SMELL OUT.