Problems · by component

2003 Kia Sedona engine and engine cooling problems

28 owner complaints to NHTSA about the 2003 Kia Sedona cite engine and engine cooling, 14% of all 200 complaints for this model year.

Complaints
28
14% of all complaints
Crashes
0
Reported by owners
Fires
3
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2003 KIA SEDONA. THE CONTACT STATED THAT THE VEHICLE WAS LEAKING FLUIDS ABNORMALLY. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHO ADVISED THAT THE REAR COOLING PIPES WERE CORRODED AND LEAKING ANTI-FREEZE. THE DEALER WAS NOT NOTIFIED OF THE FAILURE. THE MANUFACTURER INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN ANY RECALLS AND OFFERED NO ADDITIONAL ASSISTANCE. THE CURRENT AND FAILURE MILEAGE WAS 85,000. UPDATED 03/30/11”
Owner complaint to NHTSAFiled Mar 10, 2011Engine and engine coolingODI 10389788
“TL* THE CONTACT OWNS A 2003 KIA SEDONA. THE CONTACT NOTICED THAT THE VEHICLE WAS ABNORMALLY LOOSING COOLANT FLUID. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR FACILITY WHERE THE FAILURE WAS DIAGNOSED AS A CORRODED HEATER COOLING PIPE. THE DEALER WAS CONTACTED BUT THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE AND THE CURRENT MILEAGE WAS 57,500.”
Owner complaint to NHTSAFiled Sep 17, 2010Engine and engine coolingODI 10356088
“2003 KIA SEDONA RAN GREAT FOR THE 3 YEARS WE OWNED IT. WENT TO GO HOME FROM WORK AND IT MADE A LOUD NOISE AND THE MOTOR SHUT OFF. HAD A VERY HARD TIME PULLING OVER. NOW IT WONT TURN OVER AT ALL. NOT EVEN WITH A JUMP. CHECKED OILS ,WATER , BATTERY,CABLES AND EVERYTHING APPEARED GOOD. REGULAR OIL CHANGES AND MAINTENANCE WAS DONE . ALL FLUIDS WERE CHECKED ON A REGULAR BASIS. PAID $11,000.00 FOR IT AND IT DIDN'T EVEN OUT LAST THE PAYMENTS ON IT. *TR”
Owner complaint to NHTSAFiled Sep 11, 2010Engine and engine coolingODI 10355030
“2003 KIA SEDONA EX CAUGHT ON FIRE 07/11/10. VEHICLE WAS PARKED FOR MORE THAN AN HOUR AND NOT RUNNING. RESULTANT VEHICLE DESTROYED AND SURROUNDING VEHICLES HAD MELTED COMPONENTS, DRIVER SIDE MIRRORS, ROOF RACK, BUMPERS, HEADLIGHTS AND CRACKED WINDSHIELD DUE TO EXPLOSION AND LAUNCH OF A REACH STRUT. *TR”
Owner complaint to NHTSAFiled Jul 12, 2010Engine and engine coolingFire reportedODI 10342555
“THE ICV VALVE CLIP IN MY 2003 KIA SEDONA CAME LOOSE AND DAMAGED THE ENGINE. KIA RECALLED THE SAME CLIP IN ALL SORENTOS FROM 2003-2005. MY VEHICLE AS LESS THAN 70,000 MILES. THE ENGINE MADE A LOUD NOISE AND STALLED AS I WAS DRIVING. LUCKILY I WAS ABLE TO PULL OVER AND NOT CAUSE AN ACCIDENT. KIA DOES NOT BELIEVE THIS IS A SERIOUS ISSUE. *TR”
Owner complaint to NHTSAFiled Jul 8, 2010Engine and engine cooling, Power trainODI 10342082
“TL*THE CONTACT OWNS A 2003 KIA SEDONA. WHILE THE CONTACT WAS HAVING HER VEHICLE SERVICED, SHE WAS INFORMED BY A LOCAL MECHANIC THAT THE ENGINE WAS MAKING A LOWER END NOISE AND THAT A SCREW WAS MISSING ON THE THROTTLE BODY. THE DEALER INFORMED THE CONTACT THAT THE ENGINE NEEDED TO BE REPLACED. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 91,000.”
Owner complaint to NHTSAFiled Jan 4, 2010Engine and engine coolingODI 10298004

Showing 6 of 28 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 31, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Other 2003 Sedona problem areas