Problems · by component
2001 Hyundai Sonata engine and engine cooling problems
25 owner complaints to NHTSA about the 2001 Hyundai Sonata cite engine and engine cooling, 11% of all 219 complaints for this model year.
Complaints
25
11% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“I CAME TO A COMPLETE STOP AFTER DRIVING ONLY 10MPH, MY ENGINE CRADLE DROPPED DOWN THERE FOR SMASHING THROUGH MY FRONT AXEL, AND TURNING IN BOTH OF MY FRONT WHEELS. NOT REALIZING WHAT HAPPENED I CONTINUED TO DRIVE TO A REPAIR SHOP. BOTH TIRES POPPED. I CALLED A TOW TRUCK AND PAID AN OUTRAGEOUS AMOUNT TO GET A TOW TO A REPAIR SHOP. I WAS WITHOUT A CAR FOR 2 WEEKS WHILE THEY REPLIED MY VEHICLE WHICH COST ME ALMOST $1,300. MY INSURE COMPANY WOULD NOT TOTAL OUT MY VEHICLE BECAUSE THEY SAID IT WAS DUE TO SALT CORROSION AND RUST (WARE AND TEAR). DID I MENTION I WAS ON VACATION WHEN THIS HAPPENED? $$$. NOW MY TRANSMISSION IS TROUBLE SHOOTING SOMEHOW (151,000 MILES). IT'S HAVING TROUBLE SWITCHING GEARS AND IT HITS PRETTY HARD WHEN IT FINALLY DOES. I HAVE TO TURN THE CAR OFF AND TURN IT BACK ON, SOMETIMES THIS HELPS SOMETIMES IT DOES. MY RPM SHOT UP TO 4 OR 5 WHICH BURNS GAS LIKE CRAZY. THE RUST ON THE REAR WHEEL WELLS AND BOTTOM IS UNFIXIBLE. STEERING WHEEL SHAKES REALLY BAD AT SPEEDS 60+. MY REAR STRUTS ARE RUSTED AND NEED REPLACED. *TR”
“TL*THE CONTACT OWNS A 2001 HYUNDAI SONATA. WHILE DRIVING AT AN UNKNOWN SPEED, THE VEHICLE STALLED WITHOUT WARNING. THE CRANKSHAFT SENSOR FAILED AND WAS REPAIRED AT THE CONTACT'S EXPENSE. THE FAILURE RECURRED TWO ADDITIONAL TIMES DUE TO THE CRANKSHAFT AND WAS REPAIRED UNDER WARRANTY. THE DEALER STATED THAT THEY WOULD ONLY PAY FOR THE PART, NOT THE LABOR. THE VEHICLE HAS BEEN AT THE DEALER FOR APPROXIMATELY ONE WEEK, BUT HAS NOT BEEN REPAIRED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 130,000 AND THE CURRENT MILEAGE WAS UNKNOWN.”
“TL*THE CONTACT OWNS A 2001 HYUNDAI SONATA. THE CONTACT STATED THAT THE CAM POSITION POSITION SENSOR FAILED. SHE TOOK THE VEHICLE TO THE DEALER AND THEY STATED THAT THEY DID NOT HAVE THE PART TO REPAIR THE FAILURE. THE CONTACT WOULD HAVE TO PURCHASE THE ENTIRE ENGINE HARNESS. THE FAILURE AND CURRENT MILEAGES WERE 87,000. UPDATED 11-25-08 *BF UPDATED 11/26/08. *JB”
“FILING A COMPLAINT AGAINST HYUNDAI NORTHEAST AUTO OUTLET AT 3301 GRANT AV REPORTING THE HYUNDAI SERVICE DEPT. I OWN A 2001 HYUNDAI SANTA FE. I TOOK MY CAR TO SERVICE DEPT.,FOR THE 34 PT. CHECKUP ON 11/26/07. ALSO,DECIDED TO GET CAR INSPECTED AT THE SAME TIME. THEY REPLACED THE CRANKSHFT SENSOR. WAS TOLD TO DRIVE MY CAR AT LEAST 150 MILES SO THAT THEY CAN RESET THE MONITORS WITH THE ENGINE LIGHT ON. THIS COST ME $257.00 NOW,VISIT #2- ON 1/03/08 ALL OF A SUDDEN THEY FIND 3 NEW PROBLEMS. THEY REPLACED A VALVE CANNISTER,PURGE VALVE,GAS CAP. THEY STATE THEY ALSO CLEARED THE CODES TO PASS INSPECTION. BUT, AGAIN I HAD TO DRIVE MY CAR ANOTHER 50+ MILES AGAIN SO THAT THEY COULD RESET THE MONITORS. ENGINE LIGHT WAS OFF, WHICH WAS A GOOD SIGN. THIS COST ME $508.00. HOWEVER, THE NEXT MORNING,I STARTED UP THE CAR. IT STARTED VERY ROUGH AND FELT LIKE IT WAS READY TO STALL OUT ON ME. ENGINE LIGHT CAME BACK ON ALSO. VISIT #3- ON, 1/8/08 TOOK CAR BACK AGAIN,EXPLAINED WHAT HAPPENED. THEY SAID TO LEAVE IT OVERNIGHT. THE NEXT DAY, SERVICE MANAGER CALLS ME AT WORK. SHE TELLS ME THAT THEIR WAS A #4 CYLINDER MISFIRE CODE, NEEDED A FUEL INJECTOR,SPARK PLUGS, PLUG WIRES,TIMING BELT,…”
“I BOUGHT THIS CAR BRAND NEW. SINCE ITS 80,000 MILES MARK THE DEALERSHIP HAS BEEN HAVING TROUBLE FIXING THE CAMSHAFT POSITION SENSOR. THIS DEFECT CAUSES MY CAR TO STALL IN ONGOING TRAFFIC AND CAUSED IT TO COME TO A ROLL AND STOP. MY CAR HAS BEEN IN THE DEALERSHIP FOR 2 WHOLE MONTHS WHERE IT HAS BEEN TEST DRIVEN AND NOW HAS 100,000 MILES ON IT. THE AIR BAG LIGHT STAYS ON EVEN AFTER IT HAS BEEN TURNED OFF. *NM”
“MY 2001 HYUNDAI SONATA WAS BOUGHT NEW. IT HAS GIVEN ME NOTHING BUT PROBLEMS FROM THE TIME I DROVE IT OFF THE LOT AND AS SOON AS I HIT THE 60,000 MILE MARK (THE BUMPER-TO-BUMPER WARRANTY ENDED AT THIS POINT), THE CAR CONSTANTLY HAS SOMETHING WRONG WITH IT. I HAVE SPENT THOUSANDS OF DOLLARS IN REPAIRS. THE AIRBAGS WERE FIXED BY THE DEALER BECAUSE THERE WAS A PROBLEM. THE BRAKES HAD A LOUD SQUEAK AND DEALER REPLACED (UNDER WARRANTY AT THAT TIME). THE SIDE FRONT WINDOW MOTORS HAVE BEEN FIXED TWICE AND NOW THE PASSENGER SIDE WINDOW MOTOR IS BROKEN AND I HAD TO PUT TAPE ON IT SO THAT IT WILL STAY UP. THE TIMING BELT WENT OUT AFTER THE WARRANTY. SOME KIND OF COIL BROKE AND NEEDED REPLACEMENT. THE ENGINE LIGHT IS ALWAYS TURNING ON. I STOPPED TAKING IT TO THE DEALER AFTER THE CAR BROKE DOWN, HAD IT TOWED, DEALER IN LAUREL, MD CLAIMED TO HAVE FIXED IT, CHARGED ME $768, PICKED UP CAR, SAME PROBLEM, ENGINE LIGHT STILL ON AND TOOK IT BACK TO DEALER. DEALER SAID THERE WAS YET ANOTHER PROBLEM. THEY SAID THEY FIXED IT AND THEY CHARGED ME OVER $500. STILL THE SAME PROBLEM. I TOOK THE CAR TO A MECHANIC AND WAS CHARGED $45 FOR THE REPAIR. THERE HAVE BEEN SEVERAL OTHER PROBLEMS…”
Showing 6 of 25 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.