Problems · by component

1999 Kia Sportage engine and engine cooling problems

74 owner complaints to NHTSA about the 1999 Kia Sportage cite engine and engine cooling, 26% of all 284 complaints for this model year.

Complaints
74
26% of all complaints
Crashes
6
Reported by owners
Fires
0
Reported by owners
Injuries
2
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“KEYWAY ON CRANKSHAFT WHERE TIMING GEAR ATTACHES WEARS OUT PREMATURELY AND CAN RESULT IN HAVING TO REPLACE ENGINE! I HAVE REPLACE THROTTLE POSITION SENSOR, FUEL FILTER, AND KNOCK SENSOR ALSO THE MASS AIRFLOW SENSOR AND TIMING BELT WERE REPLACED AS THERE APPEARED TO BE A TIMING ISSUE COULD NOT FIND PROBLEM SO TOOK TO KIA DEALER TO FIND THE KEYWAY ON CRANKSHAFT TO BE SO WORN YOU COULD ALMOST TURN GEAR ALL THE WAY AROUND! IN ALL THE YEARS I HAVE BEEN WORKING ON VEHICLES THIS IS THE FIRST TIME I HAVE EVER SEEN THIS AND IS VERY OBVIOUSLY A MANUFACTURER DEFECT! *TR”
Owner complaint to NHTSAFiled Mar 4, 2010Engine and engine coolingODI 10316796
“TL*THE CONTACT OWNS A 1999 KIA SPORTAGE. THE CONTACT STATED THAT THE VEHICLE IS GRADUALLY LEAKING BRAKE FLUID AND HE IS CONSTANTLY HAVING TO ADD MORE FLUID. ALSO, THE VEHICLE STALLS INTERMITTENTLY WHILE DRIVING BETWEEN 30-50 MPH AND MERGING INTO TRAFFIC. HIS VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBERS 98V222000 (SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING AND FITTINGS) AND 99V325000 (ELECTRICAL SYSTEM:WIRING); HOWEVER, THE DEALER WILL REPAIR THE VEHICLE ACCORDING TO NHTSA CAMPAIGN ID NUMBER 04V305000 (SEAT BELTS:FRONT:BUCKLE ASSEMBLY). THE CURRENT MILEAGE WAS 107,812 AND THE FAILURE MILEAGE WAS UNAVAILABLE.”
Owner complaint to NHTSAFiled Sep 8, 2008Service brakes, hydraulic, Engine and engine coolingODI 10241352
“TL*THE CONTACT OWNS A 1999 KIA SPORTAGE. THE SEAT BELT RETRACTOR ON THE DRIVERS SIDE HAS FAILED. THE AIR CONDITIONER IS ALSO LEAKING INTO THE PASSENGER SIDE OF THE VEHICLE. THE VEHICLE HAS NOT YET BEEN DIAGNOSED. THE PURCHASE DATE WAS UNKNOWN. THE CURRENT MILEAGE IS 80,000 AND FAILURE MILEAGE WAS 76,000.”
Owner complaint to NHTSAFiled May 23, 2007Engine and engine cooling, Seat beltsODI 10191567
“THIS KIA WAS PURCHASED NEW AND IS A ONE OWNER CAR. IT HAS HAD 2 MASTER CYLINDERS, AND 4 SETS OF BRAKE PADS. THE CAR CURRENTLY HAS 50,000 MILES ON IT. THE CAR SLIDES TO THE RIGHT ON WET ROADS AND DOES NOT STOP UNTIL IT HITS SOMETHING OR SLOWS TO A STOP. I HAVE SLID 2 TIMES, REAR ENDED SOMEONE THE 3RD, AND MY SON HIT A LIGHT POLE. THE OTHER TIMES THE BRAKES MAY OR MAY NOT WORK. THE PROBLEM IS WORSE DURING RAINY WEATHER. THE BRAKES GO TO THE FLOOR AND THE CAR DOES NOT STOP. AT TIMES THE BRAKES VIBRATE. THIS CAR HAS HAD A NEW CLOTH TOP, NEW AIR CONDITIONING 2X, 5 CATALYTIC CONVERTERS, NEW CARPET FROM THE AIR LEAKING AND MOLDING, NEW SEAT COVERS AS THEY RIPPED, NEW BRAKES, ROTORS, PADS SEVERAL ITEMS I HAVE LOST COUNT, THE CHECK ENGINE LIGHT COMES ON, THE CAR HAS BEEN RE-WIRED, AT TIMES THE CAR WON'T ACCELERATE IF THE AIR CONDITIONER IS ON. LAST NIGHT THE HIGHWAY PATROL OFFICE WANTED TO KNOW WHY I WOULD ENDANGER MY SON'S LIFE IN A CAR THAT WON'T STOP OR SLIDES. THAT IS A GOOD QUESTION. WHY ARE ANY OF THESE MODELS STILL ON THE HIGHWAY WHEN THERE ARE SO MANY THINGS WRONG WITH THEM. IN LOOKING AT THE COMPLAINTS THERE WERE MANY THAT DEALT WITH THE BRAKES. AT THIS POINT…”
Owner complaint to NHTSAFiled Aug 27, 2006Service brakes, hydraulic, Engine and engine cooling, Electrical system, EquipmentCrash reportedODI 10166674
“DT*: THE CONTACT STATED THE VEHICLE STALLS AT VARIOUS SPEEDS AND INTERMITTENTLY WILL NOT START. AFTER SITTING FOR A WHILE THE VEHICLE WILL RESTART. THE DEALERSHIP HAS BEEN INFORMED. THERE ARE NO LIGHTS ILLUMINATED ON THE DASH PRIOR TO THE VEHICLE STALLING. THE TEMPERATURE GAUGE WAS ACTING ERRATIC. THE POWER STEERING BELT WAS REPLACED. UPDATED 09/13/06. *JB”
Owner complaint to NHTSAFiled Aug 21, 2006Steering, Engine and engine cooling, Electrical systemODI 10166087
“I HAVE A 1999 KIA SPORTAGE WITH LESS THAN 35,000 MILES ON IT AS OF JULY 5, 2006. IN NOVEMBER OF 2005 I STARTED NOTICING A REALLY STRONG FUEL SMELL. SHORTLY THEREAFTER I NOTICED FLUID LEAKING FROM THE REAR OF MY VEHICLE. I TOOK IT IN AROUND THANKSGIVING TO FIND OUT THAT THE GAS TANK HAD TO BE REPLACED. I HAD TO PAY ALMOST $1,000 FOR THIS REPAIR. ALSO, IN MAY OF 2006 POWER STEERING FLUID LEAKED ALL OVER MY GARAGE WHILE THE CAR WAS IN SUMMER STORAGE. UPON FURTHER INVESTIGATION IT IS DUE TO THE POWER STEERING PRESSURE HOSE DAMPING PIPE RUSTING OUT. THIS CAR HAS ALSO ALREADY HAVE TO GET NEW FRONT BRAKE ROTORS (RUSTED/WARPED) AS WELL AS A NEW EXHAUST PIPE SINCE THE PREVIOUSLY ONE RUSTED OFF THE MUFFLER. WITHIN THE FIRST COUPLE YEARS ONE OF THE BEARINGS WENT BAD AND THEY ENDED UP REPLACING THE WHOLE FRONT AXLE UNIT. THIS CAR HAS HAD MANY PROBLEMS AND WITH LESS THAN 35,000 MILES ON IT BASICALLY MAKES ME SICK TO MY STOMACH. I AM REPORTING THIS TO YOU AFTER READING ON WWW.KIA.COM TECHNICAL/OWNERS SECTION ABOUT A "SERVICE CAMPAIGN" FOR THE LEAKING FUEL TANKS IN MAY 2006. NOBODY HAS NOTIFIED ME AND I JUST HAPPENED TO RUN INTO MYSELF AS I WAS RESEARCHING INFORMATION RELATED…”
Owner complaint to NHTSAFiled Jul 5, 2006Steering, Service brakes, hydraulic, Engine and engine cooling, Fuel system, gasoline, Power trainODI 10161481

Showing 6 of 74 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026NHTSA vehicle page

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