Problems · by component
2001 Kia Rio engine and engine cooling problems
51 owner complaints to NHTSA about the 2001 Kia Rio cite engine and engine cooling, 23% of all 224 complaints for this model year.
Complaints
51
23% of all complaints
Crashes
0
Reported by owners
Fires
5
Reported by owners
Injuries
0
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“ASIDE FROM THE FACT THAT WE HAVE NEVER RECEIVED ONE RECALL NOTICE FROM KIA OR THE DEALER, ON SEPTEMBER 12, 2007, MY 2001 KIA RIO (WHICH WE BOUGHT NEW IN 1/2001) ENGINE LIGHT CAME ON AFTER THE CAR ENGINE HAD WARMED UP, AND THE CAR BEGAN TO LURCH AND CHUG. IT STALLED AT A LIGHT AND RESTARTED WHEN I TURNED THE KEY. I APPLIED THE ACCELERATOR AND IT REVVED TO A HIGHER GEAR AND LUNGED FORWARD THEN IMMEDIATELY TRIED TO STALL IN THE INTERSECTION. I NURSED THE VEHICLE BACK HOME. IT WAS TAKEN TO A MECHANIC WHERE THE CODE CLAIMED AN O2 CENSOR WAS BAD. WHAT WAS FOUND WAS A PLUG MISSING FROM A PANEL AREA (?). THOUGHT CAR WAS FIXED. WENT TO DRIVE IT HOME AND AGAIN THE SAME IDENTICAL PROBLEM ONLY THIS TIME THE ENGINE LIGHT DID NOT COME ON, MY ONLY INDICATION OF THE PROBLEM WAS THE ATTEMPT AT STALLING AGAIN! THIS HAPPENED AFTER THE ENGINE WAS WARMED UP. SAME SYMPTOMS AND PROBLEMS ONLY NO WARNING ENGINE LIGHT. THIS IS A LIFE THREATENING DANGER SINCE IT HAPPENS WITH NO WARNING AND KIA HAS FAILED TO NOTIFY US OF ANY RECALL NOTICES THEY HAVE ISSUED CONCERNING OUR VEHICLE EVEN THOUGH THEY HAD OUR ADDRESS FROM US PAYING THEM FOR THE CAR NOTE EACH MONTH! SOMETHING NEEDS TO BE DONE…”
“MY CAR HAD A RECALL BECAUSE OF STALLING ISSUES BEFORE ALSO AGAIN WHEN I HAD THIS PROBLEM THE FUEL INJECTOR WAS UNPLUGGED NOW IT STALLS ALL THE TIME ENGINE CHECK LIGHT COMES ON HAD A AIRFLOW SENSOR LIGHT CHANGED AND IT IS STILL STALLING EVEN MORE CHECK ENGINE LIGHT COMES ON BUT GOES OFF BEFORE I CAN GET IT CHECKED AND SO I AM GETTING NOWHERE AND I AM SCARED TOO DEATH OFF HAVING A ACCIDENT BECAUSE OF THIS ISSUE I THINK THIS IS A REAL SAFETY ISSUE IT IS A 2001 KIA RIO CAN YOU HELP ME I HAVE CONTACTED KIA ALREADY. *TR”
“TWO YEARS AGO WHEN TRYING TO GET INTO MY 2001 RIO THE DRIVERS SIDE DOOR LOCK STUCK. I TOOK IT TO THE DEALERSHIP AND WAITED 2 WEEKS FOR THE REPLACEMENT PART. NOW I AM HAVING THE SAME PROBLEM WITH MY PASSENGER DOOR. CAR IS NO LONGER UNDER WARRANTY, SO I AM UNABLE TO USE MY PASSENGER SIDE DOOR. ALSO CAR STALLS WHEN IT RAINS AND SHAKES REALLY BAD WHEN IT DOES RUN. I HAVE TO GET A RIDE WHEN IT RAINS, INTERIOR LIGHTS DON'T WORK, BUMPER HAS COME LOOSE....CONTINUAL PROBLEMS WITH SPARK PLUGS, AND LEAKS OIL. *JB”
“01 RIO IS A LEMON & SAFETY HAZARD. MANY MAJOR REPAIRS DONE INCLUDING THE TIMING BELT & VALVES REBUILT, NEW COOLING SYSTEM, BOTH CONTROL ARMS & BOOTS. WHEEL DEFECT RECENTLY RECALLED CAUSED EXCESS WEAR/ TEAR ON CONTROL ARMS, BOOTS, ALIGNMENT, TIRES, COSTING THOUSANDS OF AVOIDABLE REPAIRS. FUEL INTAKE DID COME LOSE, NEARLY CAUSING AN ENGINE FIRE DUE TO DEFECTIVE PART WHICH WAS RECALLED. IT CONTINUOUSLY MISFIRES, ENGINE KNOCKS, STALLS. ECM WAS RECALLED BUT DIDN'T FIX THE PROBLEM. REPLACED SPARK PLUGS & WIRES (3 TIMES IN 6 MONTHS), IGNITION COIL, SENSORS (OXYGEN, KNOCK, CRANKSHAFT, TEMP). IT STOPS FOR A 1-2 DAYS, THEN COMES BACK. ANNOYING & DANGEROUS. ALSO HAS ACCELERATION PROBLEM. AT TIMES, IT WON'T GO OVER 40 MPH & ALSO ACCELERATES BY ITSELF. BRAKES HAVE COMPLETELY FAILED, THOUGH THERE'S NO CRACK IN THE LINE, NO LEAKING FLUID. THE CAR IS A COMPLETE LEMON. ONLINE, THERE ARE HUNDREDS OF SIMILAR COMPLAINTS. DEALERS ARE AWARE BUT CONVENIENTLY CAN'T SEEM TO DIAGNOSE THE PROBLEMS ESPECIALLY MISFIRING. CONSUMERS GET NICKEL & DIMED DOING NEEDLESS REPAIRS THAT DON'T FIX THE PROBLEM. THE OPTIMA HAD SIMILAR PROBLEMS W/CRANKSHAFT POS. SENSOR WHICH WAS RECALLED, BUT DEALER…”
“PURCHASED CAR, 2001 KIA RIO, IN OCTOBER OF 2000. WITHIN A FEW DAYS AIRBAG LIGHT CAME ON. THIS OCCURRED SEVERAL TIMES OVER A ONE YEAR PERIOD AND HAD TO BE TAKEN BACK TO DEALER FOR REPAIR AT LEAST FOUR TIMES. RECALL WAS RECEIVED FOR FUEL SYSTEM. THIS WAS REPLACED WITHOUT PROBLEM. NEXT PROBLEM OCCURRED WITH WHEELS, WHICH WAS ALSO A RECALL. I HAD TO ORDER THE WHEELS WHICH TOOK AT LEAST A MONTH TO COME IN LEAVING ME TO DRIVE TO AND FROM WORK, 65 MILES EACH WAY, ON VIOLENTLY VIBRATING WHEELS. WHEELS WERE FINALLY REPLACED. PROBLEM OCCURRED IN WINTER 2005 WITH DOOR LATCH. DRIVER SIDE DOOR WOULD LOCK AND STAY LOCKED. VEHICLE WAS TAKEN TO ORIGINAL DEALER FOR REPAIR ONLY TO HAVE OLD PART REPAIRED WHILE BEING CHARGED FOR NEW PART AND LABOR. WITHIN A FEW DAYS, DOOR LATCH FAILED AGAIN. TOOK VEHICLE TO ANOTHER DEALER WHO ORDERED NEW PART. IN THE MEANTIME I WAITED FOR PART TO ARRIVE, AND DROVE AROUND IN A CAR WHOSE DOOR DIDN'T LOCK, LEAVING MY CAR PREY TO THIEVES, WHO STOLE THINGS CONSTANTLY FROM ME. FINALLY THIS WAS FIXED BUT, THE PASSENGER SIDE DOOR LOCK DID THE SAME THING. I LOOK THE CAR BACK TO THE DEALER WHO TOLD ME THAT THEY COULD NOT FIX IT SINCE MY WARRANTY WAS UP AND…”
“CHECK ENGINE LIGHT SELDOM GOES OFF. TOOK CAR TO DEALERSHIP FOR SERVICE AND TO RESOLVE THIS PROBLEM, LIGHT WENT BACK ON IN LESS THAN 100 MILES AFTER LEAVING THE DEALERSHIP. SAME THING HAPPENED LAST TIME I TOOK IT IN. *NM”
Showing 6 of 51 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 29, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.