There are 4 owner-reported fuel system complaints for the 2019 Subaru Ascentin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
WHEN DRIVING IN LOW SPEEDS, THE CAR IS VERY JUMPY AND SEEMINGLY INCONSISTENT WITH THE AMOUNT OF FUEL DELIVERED TO THE PEDAL. THE CAR SEEMS LIKE IT WILL ALMOST STALL OUT, THEN I HAVE TO PUSH THE GAS PEDAL FURTHER DOWN TO DELIVER MORE GAS, BUT THEN IT MAKES ME GO TO FAST AND JUMPS.
TL* THE CONTACT OWNS A 2019 SUBARU ASCENT. THE CONTACT STATED THAT THERE WAS AN ABNORMAL FUEL ODOR IN THE CABIN OF THE VEHICLE. THE VEHICLE WAS TAKEN TO (PAUL MILLER SUBARU 3469 US-46, PARSIPPANY-TROY HILLS, NJ 07054 (973) 402-1700), TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THERE WAS A LEAK IN THE FUEL VAPOR CANISTER. THE VEHICLE WAS REPAIRED HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS CONTACTED AND INFORMED OF THE FAILURE. THE CONTACT WAS INFORMED THAT A REPRESENTATIVE WOULD BE SENT TO INSPECT THE VEHICLE WHICH WAS STILL PENDING. THE FAILURE MILEAGE WAS 4,000.
GASOLINE VAPORS IN CABIN AND AROUND CAR. AFTER THE VEHICLE HAS BEEN PARKED, GASOLINE VAPORS ARE ACCUMULATING AROUND CAR. WE EXPERIENCE STRONG GASOLINE VAPORS IN OUR ENCLOSED GARAGE AFTER DRIVING (APPEARING 10-15 MINUTES AFTER TURNING CAR OFF). ALSO, AFTER DRIVING FOR EVEN A SHORT PERIOD OF TIME, THEN TURNING THE CAR OFF, THEN STARTING AGAIN, GASOLINE VAPORS ENTER THE CABIN THROUGH THE VENTS (IF NON-RECIRCULATING). DEALER CONFIRMED WE GASOLINE MIXED WITH OUR MOTOR OIL (DEALER CHANGED THE OIL, BUT DIDN'T CORRECT THE PROBLEM). WHILE THIS IS ALARMING ENOUGH, THE SMELL CONTINUES. THE SMELL OF GASOLINE IN THE CABIN AND MY HOME GARAGE IS NOT HEALTH/SAFETY RISK FOR MY FAMILY BREATHING IN, BUT SINCE SUBARU DOESN'T KNOW A CAUSE, COULD IT BE A RISK FOR A FIRE. MY FAMILY SHOULDN'T BE DRIVING IN A BRAND NEW CAR THAT IS INTRODUCING GASOLINE VAPORS UNDER NORMAL OPERATION. OTHERS ON MESSAGE BOARDS ARE COMPLAINING OF SIMILAR ISSUES WHICH COULD POINT TO A BIGGER PROBLEM. THANK YOU!
THE TAILPIPE EXHAUST SMELLS STRONGLY LIKE GASOLINE. THE FUMES WILL ALSO COME THROUGH THE CABIN VENTS IF AIR CIRCULATION IS TURNED OFF.
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.
Data synced from NHTSA on Apr 26, 2026