There are 2 owner-reported fuel system complaints for the 2012 Hyundai Accentin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
CAR IS ACCELERATING BY ITSELF, AND CONTINUES TO INCREASE SPEED AFTER THE GAS PEDAL IS NO LONGER PRESSED. THIS OCCURS WHILE IN MOTION ON CITY STREETS, ON HIGHWAYS, AND WHEN TURNING. AND WHEN STATIONARY OR IN NEUTRAL THE RPMS WILL JUMP BY 1500 TO 2000 RPMS. IS A MANUAL TRANSMISSION AND THE RPMS JUMP UP 1500+ WHEN SHIFTING GEARS. STARTED HAPPENING AROUND 55,000 MILES DEALER RESET THE ECM WHICH RESOLVED THE ISSUE TEMPORARILY BUT CAME BACK WITHIN 2 WEEKS, CAR NOW HAS 61,000 MILES AND HAS BEEN GETTING WORSE.
7/15/2012, WHILE PULLING OFF FROM A STOP OIL AND BATTERY LIGHT ILLUMINATED AND VEHICLE LOST POWER. NO CHECK ENGINE LIGHT. APPROXIMATELY 10 MINUTES LATER, VEHICLE EXPERIENCE SAME PROBLEM. SHUTTING VEHICLE OFF AND RESTARTING CORRECTED INSTANT PROBLEM. NO FAULT CODES STORED. DEALERSHIP REMOVED, CLEANED AND RE-INSTALLED THROTTLE BODY AND SUGGESTED USING ONLY EXXON, MOBILE OR SHELL GASOLINE. 7/17/2014, WHILE SITTING AT A STOP LIGHT, OIL AND BATTERY LIGHT ILLUMINATED AND VEHICLE STALLED. WOULD CRANK BUT NOT START. VEHICLE TOWED TO DEALERSHIP. NO FAULT CODES STORED. DEALERSHIP REPLACED HIGH PRESSURE FUEL PUMP. 7/31/2014, PICKED UP VEHICLE FROM DEALERSHIP FOLLOWING FUEL PUMP REPLACEMENT. DROVE VEHICLE 14 MILES, WHEN PULLING OFF FROM A STOP, OIL AND BATTERY LIGHT ILLUMINATED AND VEHICLE STALLED. RESTARTED VEHICLE AND DROVE APPROXIMATELY 100 YARDS, OIL AND BATTERY LIGHT ILLUMINATED AND VEHICLE STALLED. UPON RESTART VEHICLE WENT INTO "LIMP MODE". DEALERSHIP DIAGNOSED PROBLEM AS BEING THE COMPUTER. 7/18/2014 DEALERSHIP CALLED AND ADVISED HYUNDAI TECH LINE DIRECTED REPLACEMENT OF TRANSMISSION RANGE SWITCH NOT COMPUTER. 8/15/2014, WHILE PULLING OFF FROM A STOP OIL AND BATTERY LIGHT ILLUMINATED AND VEHICLE STALLED. RESTARTED VEHICLE AND TOOK TO DEALERSHIP. 8/16/2014, NO FAULT CODES STORED. DEALERSHIP ADVISED NOTHING WRONG WITH VEHICLE BUT WILL CONTINUE TO DRIVE. 8/18/2014, ABOUT 10 MILES FROM DEALERSHIP, WHILE PULLING OFF FROM A STOP OIL AND BATTERY LIGHT ILLUMINATED AND VEHICLE LOST POWER. 8/19/2014, DEALERSHIP ADVISED NO FAULT CODES WERE STORED AND HYUNDAI TECH LINE ADVISED TO REPLACE LOW PASTURE FUEL PUMP, FUEL INJECTORS AND FUEL RAIL. *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.
Data synced from NHTSA on Apr 25, 2026