There are 2 stored owner reports matching the fuel system leading-label group for the 2014 Mazda CX-9 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)WHEN YOU PUMP GAS INTO THE FUEL TANK, THE GAS SPEWS OUT WHEN THE PUMP STOPS. THE GAS FLOWS OUT DOWN THE SIDE OF THE CAR.
FOUL SULFUR SMELL IN CABIN, GAS SMELL ODOR, SMELLING GAS FUMES PUNGENT FRESH GASOLINE SMELL INSIDE THE CABIN WHILE DRIVING. ON THE HIGHWAYS, OR LOCAL ROADS. IT LAST FEW MINUTES WHEN OPENING THE HOOD ROTTEN EGGS SMELLS, THE INTENSITY VARIES, IT HAPPEN SPORADICALLY, I USED WITH DIFFERENT KIND OF GASOLINE, ALSO DIFFERENT GRADE FROM 93-87. IT WOULD BE OK FOR THE FIRST 100 MILES THEN THE SAME THING ALL OVER AGAIN .MORE NOTICEABLE WITH HEAT ON HIGH IN THE MORNING .IT IS ALMOST THE FUEL INJECTION RAILING ARE LEAKING ,OR BAD CATALYTIC CONVERTER OR IT COULD BE COMING FROM THE TRANSFER CASE OR BAD HEATER CORE. I TOOK IT TO THE DEALERSHIP FEW TIMES , ONCE I WAS TOLD SINCE IT IS NEW ,YOU NEED TIME TO AGE THE CONVERTER, FINALLY IT BECAME UNBEARABLE , I TOOK LAST MONDAY , I WAS GIVEN A TSP ISSUED BY MAZDA TO RECOMMEND CHANGING GAS BRAND EVERY 100 MILES WHICH I HAVE BEEN DOING , AVOID SUDDEN ACCELERATION, WHICH I AM AWARE OF , ALSO THE RECOMMEND AVOIDING SHORT TRIPS , I GUESS WE ARE SUPPOSE TO WALK OR HAVE A BIKE INSIDE THE MAZDA TO USE ON SHORT DRIVE. . IT SEEMS LIKE IT IS ON GOING PROBLEMS WITH MAZDA SINCE 2003. AND THEY ARE INSULTING THE PUBLIC INTELLIGENCE WITH THEIR RECOMMENDATION WHERE THEY SHOULD COME UP WITH REMEDY TO THIS TOXIC PROBLEM .. I HOPE YOUR AGENCY INVESTIGATE THIS PROBLEM AND HOPEFULLY MADE MAZDA DO SOMETHING ABOUT IT . *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.