There are 5 owner-reported fuel system complaints for the 2003 Kia Sedonain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
DT*: THE CONTACT STATED THE GAS STORAGE TANK RUSTED OUT CAUSING THE FUEL FILTER TO CLOG. THE SERVICE DEALER DETERMINED THE VEHICLE NEEDED A NEW STORAGE TANK AND FILTER TO CORRECT THE ISSUE. UPDATED 02/06/07. *JB
TL*THE CONTACT OWNS A 2003 KIA SEDONA. WHILE DRIVING AT ANY SPEED IN WARM TEMPERATURES ABOVE 80 DEGREES, THE CONTACT SMELLS RAW GAS AS IF SOMEONE POURED GASOLINE IN THE VEHICLE. THE SMELL CAUSES HIM TO BECOME PHYSICALLY ILL. KIA WAS AWARE OF THE FAILURE AND UNSUCCESSFULLY ATTEMPTED TO CORRECT THE ISSUE. THEY STATED THAT NOTHING COULD BE DONE. WHEN KIA HAD A TECHNICIAN INSPECT THE VEHICLE, HE STATED THAT THE VEHICLE PERFORMED IN THIS MANNER AND PROVIDED CASE NUMBER T1472689. KIA CONSUMER AFFAIRS ALSO PROVIDED CASE NUMBER K1473088. THE CURRENT MILEAGE WAS 61,000 AND FAILURE MILEAGE WAS 26,000.
EXCESSIVE FUEL CONSUMPTION. 10.8 MPG. KIA PERFORMED A TEST WITH A SCAN TOOL AND SAID THE READINGS WERE WITHIN SPECIFICATIONS. THAT WAS BACK IN MARCH. SINCE THEN MY FUEL EFFICIENCY INCREASED TO 11.7 MPG. I'LL BE TAKING IT BACK SOON FOR ANOTHER TEST. I'VE ENCOUNTERED SEVERAL PEOPLE ON THE ROAD WITH THE SAME COMPLAINT, BUT APPARENTLY THEY HAVE NOT FILED A COMPLAINT YET. CAN ANYONE INVESTIGATE THIS ISSUE AND CALL ME BACK. IT APPEARS THAT THE MONEY I SAVED BY PURCHASING THIS VEHICLE, IN COMPARISON TO OTHER MINIVANS WITH SIMILAR FEATURES, I'LL BE THROWING AWAY IN GAS. THANK YOU SINCERELY. *LA
ONLY 260 MILES ON VEHICLE AND CHECK ENGINE LIGHT CAME ON. DEALER STATED CHECK GAS CAP. STATED IT NEEDS TO "CLICK" 3 TIMES TO TIGHTEN AND SEAL. HAVE PERFORMED TASK REPEATEDLY WITH NO CHANGE. WHILE STANDING OUTSIDE OF VEHICLE, WITH VEHICLE RUNNING, CAN HEAR AIR SUCKING IN THROUGH GAS FILL AREA. NEVER HAD THAT HAPPEN ON ANY OTHER VEHICLE OWNED. NOTICED FLAPPER VALVE AT TOP OF GAS FILL AREA IS CREASED AND DOES NOT SEAL LIKE OTHER MANUFACTURERS VEHICLES. WORRIED THAT THIS AIR PROBLEM WILL CAUSE FUTURE ENGINE PROBLEMS. *AK
WHILE DRIVING THE CONSUMER BEGAN TO SMELL FUEL. PLEASE PROVIDE ANY ADDITIONAL INFORMATION. *NM
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