NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
67 reportsClear category filter107,000 miles · Aug 28, 2015
Engine
WHILE DRIVING DOWN HIGHWAY, BOTH THE BREAK LIGHT AND BATTERY LIGHT CAME ON AND LOST POWER STEERING. WAS ABLE TO MAKE IT TO A SAFE LOCATION. WHEN AT FIRST GLANCE IT APPEARED THAT THE MAIN BELT HAS SLIPPED OFF THE PULLEY. WHEN TOWED TO A SERVICE STATION FOR ASSESSMENT AND REPAIR, IT WAS DISCOVERED THAT THE HARMONIC BALANCER BOLT H…
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WHILE DRIVING DOWN HIGHWAY, BOTH THE BREAK LIGHT AND BATTERY LIGHT CAME ON AND LOST POWER STEERING. WAS ABLE TO MAKE IT TO A SAFE LOCATION. WHEN AT FIRST GLANCE IT APPEARED THAT THE MAIN BELT HAS SLIPPED OFF THE PULLEY. WHEN TOWED TO A SERVICE STATION FOR ASSESSMENT AND REPAIR, IT WAS DISCOVERED THAT THE HARMONIC BALANCER BOLT HAD BROKEN OFF IN THE CRANKSHAFT. WE ARE STILL IN PROCESS OF TRYING TO FIND OUT OF THE REMAINING PART OF THE BOLT CAN BE REMOVED OR IF THE ENTIRE ENGINE WILL NEED TO BE REPLACED. THE BOLT IS NOT CONSIDERED A 'WORKING PART' OF THE ENGINE AND EXTENDED WARRANTY REFUSES TO COVER THE REPAIRS. THE ROOT OF THE PROBLEM IS IN THE ROLL PIN INSIDE THE CASING THAT WEARS DOWN AND THE BOLT CAN NOT SUPPORT THE STRESS. KIA HAS HAD A RECALL ON MODEL YEARS 2003 AND 2004 BUT THE PROBLEM CONTINUES FOR 2005 AND 2006 YEARS AND RESEARCH IS SHOWING THAT KIA IS NOT COVERING THE PROBLEM FOR 2005 OR 2006
NHTSA ODI #10759940
90,000 miles · Aug 24, 2015
Electrical SystemEngine
TL* THE CONTACT OWNS A 2006 KIA SORENTO. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 45 MPH, THE TEMPERATURE GAUGE DISPLAYED A DANGEROUS INCREASE IN TEMPERATURE. IN ADDITION, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT MENTIONED THAT HE ATTEMPTED TO RESTART THE VEHICLE SEVERAL TIMES. THE FAILURE RECURRED INTERMIT…
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TL* THE CONTACT OWNS A 2006 KIA SORENTO. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 45 MPH, THE TEMPERATURE GAUGE DISPLAYED A DANGEROUS INCREASE IN TEMPERATURE. IN ADDITION, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT MENTIONED THAT HE ATTEMPTED TO RESTART THE VEHICLE SEVERAL TIMES. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN WAS UNABLE TO DIAGNOSE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 90,000.
NHTSA ODI #10758803
119,000 miles · Aug 18, 2015
Engine
TL* THE CONTACT OWNS A 2006 KIA SORENTO. WHILE DRIVING APPROXIMATELY 65 MPH, THERE WAS AN ABNORMAL NOISE COMING FROM THE HOOD OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE HARMONIC BALANCE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF …
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TL* THE CONTACT OWNS A 2006 KIA SORENTO. WHILE DRIVING APPROXIMATELY 65 MPH, THERE WAS AN ABNORMAL NOISE COMING FROM THE HOOD OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE HARMONIC BALANCE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 119,000.
NHTSA ODI #10749334
120,000 miles · Aug 17, 2015
Engine
WHILE DRIVING ALMOST HOME, (2-MILES) THE POWER STEERING STOPPED, WE PULLED INTO A GAS STATION, BARELY MISSING THE FUEL PUMPS. THE BELT CAME OFF. WHEN THE MECHANIC ASSESSED THE PROBLEM, IT WAS MUCH GREATER. THE HARMONIC BALANCER WAS LOOSE, AND THE DRIVE PIN TO THE CAM BELT GEAR HAD SHEERED OFF. THE REPAIRS WERE COSTLY $1300.0…
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WHILE DRIVING ALMOST HOME, (2-MILES) THE POWER STEERING STOPPED, WE PULLED INTO A GAS STATION, BARELY MISSING THE FUEL PUMPS. THE BELT CAME OFF. WHEN THE MECHANIC ASSESSED THE PROBLEM, IT WAS MUCH GREATER. THE HARMONIC BALANCER WAS LOOSE, AND THE DRIVE PIN TO THE CAM BELT GEAR HAD SHEERED OFF. THE REPAIRS WERE COSTLY $1300.00. THIS IS A DESIGN DEFECT AND HAS AFFECTED THOUSANDS OF KIA OWNERS. THE OWNERS ARE LIKE MYSELF AND DON'T KNOW WHAT TO DO, SO WE JUST PAY THE BILL.. KIA DENIES ANY ISSUES. THIS A HUGE KIA COVER UP! IT HAS BEEN A KNOWN DEFECT FOR A LONG TIME, AND KIA DOES NOT WANT TO PAY FOR ALL THE DAMAGES, AND I'M SURE THE ACCIDENTS.
NHTSA ODI #10749200
84,000 miles · Aug 4, 2015
Electrical SystemEngineService Brakes
KIA SORENTO 2006. CRANK SHAFT BOLT SHEARED OFF. TOTAL CONTROL OF VEHICLE LOST. CAN NOT DRIVE VEHICLE. CONTACTED KIA MOTORS WHO STATED THEY KNOW THIS HAPPENS. EXACT WORDS OF PERSON ON PHONE WERE "YOU SHOULD HAVE REPLACED THE CRANK SHAFT BOLT WITH AN UPGRADED MODEL". AS I AM A PRIVATE OWNER AND NEVER GOT ANY INFORMATION FR…
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KIA SORENTO 2006. CRANK SHAFT BOLT SHEARED OFF. TOTAL CONTROL OF VEHICLE LOST. CAN NOT DRIVE VEHICLE. CONTACTED KIA MOTORS WHO STATED THEY KNOW THIS HAPPENS. EXACT WORDS OF PERSON ON PHONE WERE "YOU SHOULD HAVE REPLACED THE CRANK SHAFT BOLT WITH AN UPGRADED MODEL". AS I AM A PRIVATE OWNER AND NEVER GOT ANY INFORMATION FROM KIA THIS WAS NEVER DONE. THE DEALERSHIP WAS HELPFUL IN THAT THEY SAID THEY WOULD LOOK AT THE VEHICLE FOR A FEE, IN WHICH CASE THEY STATED THAT THEY COULD FIX IT FOR A LARGE AMOUNT AND THAT IT WAS THE CRANK SHAFT BOLT WHICH WAS THE PROBLEM. LOL I ASKED THEM IF THEY WERE GOING TO PUT IN THE UPGRADED VERSION I WAS TOLD ABOUT, AND THEY SAID THEY ONLY HAVE ONE KIND WHICH IS THE ORIGINAL PART. AFTER SEVERAL CONVERSATIONS WITH MECHANICS AT THE DEALERSHIP AND OUTSIDE MECHANICS THE VEHICLE HAS BEEN NON-OPERATIONAL AS IT IS TOO MUCH MONEY TO FIX A PROBLEM THAT IS NOT BEING ADDRESSED AND IS NOT SAFE FOR THE ROAD. AS A KIA OWNER OF MORE THAN 2 OF THEIR VEHICLES I AM HIGHLY UPSET AS THIS COMPANY HAS TOOK NO ACTION IN SUCH A HUGE PROBLEM. STAND BY YOUR PRODUCT KIA. I STOOD BY YOU BUYING MORE THAN 2 CARS OVER THE LAST DECADE. THAT IS UP IN THE AIR NOW AS KIA REFUSES TO STEP UP TO THE PLATE. KIA SHOULD FIX THIS PROBLEM AND THIS VEHICLE SHOULD BE RECALLED.
NHTSA ODI #10746006
180,000 miles · Jun 18, 2015
EnginePower TrainSteering
I WAS TURNING AT A STOP LIGHT WHEN I LOSS POWER STEERING AND NEARLY CRASHED.I WAS ABLE TO GET IT PULLED OVER.I RAISED THE HOOD AND SAW THE CRANKSHAFT PULLEY LYING ON THE THE BOTTOM SKID PLATE.I LOOKED ON THE INTERNET ONLY TO FIND THERE ARE PROBABLY THOUSANDS OF SIMILAR CASES WORLDWIDE.I CALLED KIA .THEY BASICALLY BLEW ME OFF!
NHTSA ODI #10726095
91,991 miles · May 20, 2015
Electrical SystemEngineSteering
WHILE DRIVING MY 2006 KIA SORENTO ON WEDNESDAY DECEMBER 17, 2014, A WEEK BEFORE CHRISTMAS, THE CRANKSHAFT PULLEY BOLT LOOSENED UP. UNDER TREMENDOUS PRESSURE FROM THE ENGINE THE STEEL PULLEY BENT SKEWING ALL BELTED DRIVING SYSTEMS: POWER STEERING, ELECTRICAL, ELECTRICITY TO ENGINE, A/C, WIPERS, HEATING AND DEFROSTING …
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WHILE DRIVING MY 2006 KIA SORENTO ON WEDNESDAY DECEMBER 17, 2014, A WEEK BEFORE CHRISTMAS, THE CRANKSHAFT PULLEY BOLT LOOSENED UP. UNDER TREMENDOUS PRESSURE FROM THE ENGINE THE STEEL PULLEY BENT SKEWING ALL BELTED DRIVING SYSTEMS: POWER STEERING, ELECTRICAL, ELECTRICITY TO ENGINE, A/C, WIPERS, HEATING AND DEFROSTING SYSTEMS, AND ETC CAUSING ME TO LOSE COMPLETE CONTROL OF CAR WHILE TURNING CORNER AT BUSY INTERSECTION; LOOSING STEERING, COMPLETE ENGINE SHUTDOWN, PANIC, AND PUTTING ME IN 'HARM'S WAY'! MY WIFE AND I HAD SPECIFICALLY BOUGHT THIS SUV BECAUSE WE CARE AND DRIVE OUR 3 BEAUTIFUL GRANDCHILDREN TO SCHOOL/BACK AND TO ALL ACTIVITIES AND SO MANY OTHER CHILDREN (THEIR FRIENDS) GOING TO THE SAME PLACES AND ACTIVITIES. I THANK GOD THIS DIDN'T HAPPEN WITH ANY CHILDREN OR MY WIFE IN THE CAR AND EVEN UNDER WORSE SITUATIONS; EX: EXPRESSWAY DRIVING OR SO MANY OTHER LIFE THREATENING DRIVING SITUATIONS! I HAVE PAID MANY HUNDREDS OF DOLLARS FOR THE REPAIRS AND MUCH TIME AND WORRYING ABOUT THAT TERRIBLE INCIDENT I HAVE SUFFERED! ALSO MY IMMEDIATE CHILDREN PUT MUCH PRESSURE ON ME TO GET RID OF THIS UNSAFE CAR CONCERNED FOR THEIR CHILDREN (MY GRANDCHILDREN) AND THEIR FRIENDS!
NHTSA ODI #10717559
70,407 miles · May 20, 2015
Engine
WENT TO LEAVE HOUSE VEHICLE STARTED. FELT LIKE BRAKES WERE LOCKED LOOKED AT DASH RED LIGHTS FOR CHECK ENGINE AND BRAKE LIGHT WAS ON. ENGINE WAS RUNNING POPPED THE HOOD SEEN FAN BELT WASN'T TURNING. CALLED AAA
NHTSA ODI #10717537
106,575 miles · Mar 5, 2015
EngineSteering
TL*THE CONTACT OWNS A 2006 KIA SORENTO. THE CONTACT STATED THAT WHILE DRIVING AT 35 MPH, THERE WAS AN ABNORMAL LOUD NOISE COMING FROM THE ENGINE. IN ADDITION, THE ENGINE AND THE BATTERY WARNING LIGHTS ILLUMINATED. THE CONTACT STATED THAT THE STEERING WHEEL WAS DIFFICULT TO TURN AND EXCESSIVE FORCE WAS REUQIRED IN ORDER TO TURN T…
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TL*THE CONTACT OWNS A 2006 KIA SORENTO. THE CONTACT STATED THAT WHILE DRIVING AT 35 MPH, THERE WAS AN ABNORMAL LOUD NOISE COMING FROM THE ENGINE. IN ADDITION, THE ENGINE AND THE BATTERY WARNING LIGHTS ILLUMINATED. THE CONTACT STATED THAT THE STEERING WHEEL WAS DIFFICULT TO TURN AND EXCESSIVE FORCE WAS REUQIRED IN ORDER TO TURN THE VEHICLE. THE CONTACT NOTICED THAT A BOLT FRACTURED FROM THE FRONT OF THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 106,575. UPDATED 4/15/15*CN UPDATED 9/27/2017*CN
NHTSA ODI #10692351
Mileage unknown · Feb 23, 2015
EngineExterior Lighting
FROM THE MOMENT I PURCHASED MY KIA SORENTO MY FAMILY HAS HAD NOTHING BUT ISSUE. FROM REPLACING LIGHT BULBS MONTHLY TO VALVE COVER LEAKAGE TO NOW A KNOCK UNDER THE HOOD. IT HAS 113,000 MILES AND HAS BEEN MAINTAINED. I WOULD NEVER RECOMMEND BUYING ANOTHER KIA TO ANYONE WITH ALL THE ISSUES WE HAVE HAD. *TR
NHTSA ODI #10690018
NHTSA investigations
1DP21003 · Throttle Control System Vulnerabilities
Opened Nov 12, 2021 · Closed Jun 20, 2023
Status: closed (inferred from source dates) · Vehicle Speed Control:throttle
The Office of Defects Investigation (ODI) of the National Highway Traffic Safety Administration (NHTSA) received a petition letter dated October 10, 2021, requesting an investigation of possible defects in the electronic throttle control (ETC) system on certain Kia vehicles resulting in the opening of DP21-003. Accordingly, Model Year (MY) 2005-2016 Kia Optima/K5, MY 2006-2015 Kia Sorento, MY 2007-2016 Hyundai Elantra, MY 2007-2016 Hyundai Santa Fe, MY 2006-2015 Hyundai Sonatas are all part of the subject population. The petition was originally filed as a Vehicle Owner Questionnaire that can be reviewed at NHTSA.gov under reference (ODI) number 11439675.On November 12, 2021, ODI opened Defect Petition DP21-003 to evaluate the petitioner?s request. ODI performed trend analyses of the VOQs related to vehicle speed control issues for all the subject vehicles and found that none of the 52 Model/Model Year Hyundai/Kia vehicles demonstrated any actionable trend that warranted an investigation.Petitioners submitted 1119 VOQs and non-VOQ cases in which sudden uncommanded acceleration (SUA) or loss of motive power (LOMP) incidents were alleged.For the 1119 reports, 220 were incidents involving crashes, from which 69 subject Hyundai-Kia vehicles were inspected by Hyundai/Kia dealer technicians, Hyundai/Kia engineers, and/or third-party representatives.ODI found the inspections identified no vehicle defects related to the ETC system.Of the 220 crash-involved reports, 13 Event Data Recorder (EDR) records were downloaded successfully and 11 of those indicated driver error: (i.e.) pedal misapplication.A condition where the accelerator pedal is mistakenly applied instead of the brake pedal when the driver wants to stop the vehicle.In addition, ODI reviewed a scientific journal paper published in Forensic Science International in 2016 by Mr. Park et al ., as well as related test videos. ODI does not believe there is any evidence of uncontrollable SUA occurrences in any of the tests reviewed. NHTSA's Office of Vehicle Safety Compliance (OVSC) reviewed the allegations regarding the potential noncompliance with Federal Motor Vehicle Safety Standard No. 124.Based on the information provided, the Agency concludes there is insufficient information for us to determine if a possible non-compliance exists.Finally, both Hyundai and Kia informed ODI that all their vehicles manufactured after 2012 were equipped with an ETC management system, in which the engine speed will go to idle when the system sees signals from both the brake pedal and accelerator pedal at the same time; this is commonly known as the brake-throttle override system.After thoroughly assessing the material submitted by the petitioner, information already in NHTSA's possession, information submitted by Hyundai and Kia in response to an Information Request letter, and the potential risks to safety implicated by the petitioner's allegation, NHTSA does not believe that a formal investigation is warranted. After full consideration of appropriate factors, the petition is denied. A Federal Register Notice (FRN) further detailing NHTSA?s reasons for denial of the petition will be published.