There are 3 owner-reported fuel system complaints for the 2000 Hyundai Sonatain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE FUEL TANK ON 2000 HYUNDAI SONATA IS CRACKED AND LEAKING GASOLINE. THERE IS A STRONG GAS ODOR IN THE CABIN. THE FIRE DEPARTMENT AND HAZMAT TEAM RESPONDED. I COULD HAVE BEEN KILLED IN AN EXPLOSION IF THE GAS VAPORS IGNITED. THERE IS A RECALL FOR THE PREVIOUS MODEL YEAR HYUNDAI SONATA. THE FUEL TANK CAN CRACK AND LEAK GASOLINE. THAT IS WHAT HAPPENED TO MY 2000 SONATA. THE CAR IS NOW AT A DEALERSHIP WHERE THEY ARE REPLACING THE SUBRAME BECAUSE IT HAS A RECALL FOR SEVER RUST. THEY DO NOT WANT TO RECALL THE ISSUE WITH THE RUSTED, CRACKED FUEL TANK. *TR
WHEN I TRY TO FILL THE VEHICLE WITH GAS IT STOPS EVERY FEW CENTS, SIMULAR TO WHEN THE GAS TANK IS FULL, EVEN WHEN IT IS ON EMPTY. IT TAKES UPWARDS OF 30-45 MINUTES TO FILL THE GAS TANK. SOMETIMES THE GAS GAUGE IS ON LOW WHEN I TRY TO FILL IT UP BUT IT STOPS FILLING SO OFTEN THAT I HAVE TO CHANGE PUMPS TO BE ABLE TO FILL MY TANK TO FULL. I HAVE ALSO HAD THE GAS SPILL OUT THE TOP OF THE TANK JUST BY TRYING TO PUT ENOUGH GAS IN MY VEHICLE TO MAKE IT HOME. I HAVE DONE QUITE A BIT OF RESEARCH ON THE ISSUE AND HAVE FOUND IT TO BE A COMMON PROBLEM AMONG HYUNDAI VEHICLE. WE BOUGHT THIS CAR TO HAVE A GOOD, RELIABLE VEHICLE FOR OUR DAUGHTER TO DRIVE. I DO NOT FEEL SAFE ALLOWING HER TO GO ON A LONG ROAD TRIP WHEN SHE HAS TO SPEND SO LONG FILLING THE CAR WITH GAS. *TR
TL*THE CONTACT OWNS A 2000 HYUNDAI SONATA. WHILE THE ENGINE WAS RUNNING, THE DRIVER INSPECTED UNDERNEATH THE HOOD AND OBSERVED FUEL LEAKAGE FROM THE FUEL LINE. THERE WERE NO WARNINGS PRIOR TO THE FAILURE. THE FAILURE WAS RELATED TO THE HIGH PRESSURE FUEL LINE. THE CONTACT IS IN THE PROCESS OF REPAIRING THE VEHICLE HIMSELF. CURRENTLY, THE VEHICLE IS NOT OPERABLE. THE FAILURE AND CURRENT MILEAGES WERE 113,000. UPDATED 05/05/09 *BF UPDATED 05/06/09. *JB
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