NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
67 reportsClear category filter151,000 miles · May 23, 2016
EngineExterior LightingVehicle Speed Control
MY 2006 KIA SORENTO HAS HAD A FEW PROBLEMS THAT I FEAR MAY BE VERY DANGEROUS. A FEW MONTHS AGO I WAS DRIVING ON HIGHWAY AND IT FELT LIKE IT WAS SPEEDING UP ON ITS OWN. AS I GOT OFF THE HIGHWAY ON AN S CURVE THE CAR COMPLETELY DIED. THE BATTERY AND CHECK ENGINE LIGHT CAME ON. IT STARTED BACK UP AND I GOT TO WORK. THE NEXT MORNING…
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MY 2006 KIA SORENTO HAS HAD A FEW PROBLEMS THAT I FEAR MAY BE VERY DANGEROUS. A FEW MONTHS AGO I WAS DRIVING ON HIGHWAY AND IT FELT LIKE IT WAS SPEEDING UP ON ITS OWN. AS I GOT OFF THE HIGHWAY ON AN S CURVE THE CAR COMPLETELY DIED. THE BATTERY AND CHECK ENGINE LIGHT CAME ON. IT STARTED BACK UP AND I GOT TO WORK. THE NEXT MORNING ON THE WAY TO WORK IT DIED AGAIN AT THE SAME SPOT ON THE OFF RAMP. I HAD TO HAVE IT TOWED AND MISSED A DAY OF WORK BECAUSE OF IT. I BROUGHT IT INTO THE SHOP AND MECHANIC SAID THE ALTERNATOR BELT WAS LOOSE AND HE FIXED IT. HOWEVER ITS HAPPENED SINCE NUMEROUS TIMES WHEN I TURN THE CAR OFF AND TRY TO START IT AGAIN THE CAR WONT START AT ALL FOR 20 MINUTES TO A COUPLE HOURS. NOW RECENTLY IT WILL SHUT OFF AS I'M DRIVING AND STEERING WHEEL IS VERY HARD TO TURN. IT IS GETTING MORE AND MORE FREQUENT AND IS EFFECTING WORK. KIA DEALERSHIPS REFUSE TO FIX IT AT COST EVEN THOUGH IT SEEMS LIKE A BIG PROBLEM THAT MANY KIA CUSTOMERS HAVE HAD TO DEAL WITH. OTHER MECHANICS SAY THEY DON'T EVEN WANT TO TOUCH THE PROBLEM BECAUSE OF THE REVIEWS OF PROBLEMS ON THE INTERNET. PLEASE INFORM ME AND ANYTHING I CAN DO AS SOON AS POSSIBLE.
NHTSA ODI #10870298
145,000 miles · Feb 13, 2016
EngineSteeringVehicle Speed ControlCrash
LESS THAN A YEAR PRIOR, TIMING BELT NEEDED REPLACED. A COSTLY FIX. ONLY MONTHS LATER DUE TO PROBLEM(COMMON ISSUE KIA IS AWARE OF) WITH CRANKSHAFT SENSOR, VEHICAL STALLED AND DIED DRIVING DOWN THE ROAD. THERE WAS NO WARNING FOR THIS AND WHEN THE ENGINE STOPPED WHILE GOING DOWN THE HIGHWAY, I LOST ALL CONTROL OF POWER STEARING, S…
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LESS THAN A YEAR PRIOR, TIMING BELT NEEDED REPLACED. A COSTLY FIX. ONLY MONTHS LATER DUE TO PROBLEM(COMMON ISSUE KIA IS AWARE OF) WITH CRANKSHAFT SENSOR, VEHICAL STALLED AND DIED DRIVING DOWN THE ROAD. THERE WAS NO WARNING FOR THIS AND WHEN THE ENGINE STOPPED WHILE GOING DOWN THE HIGHWAY, I LOST ALL CONTROL OF POWER STEARING, SPEED, BRAKES AND OTHER MAIN ELECRICAL COMPONETS. I WAS IN THE MIDDLE OF A CURVE OF THE HIGHWAY WHEN THIS OCCURED. THIS THREW ME INTO ONGOING TRAFFIC. LUCKILY, I ONLY HIT A HWY TRAFFIC SIGN. THE RECALLS FOR THIS VEHICLE NEEDS TO BE UPDATED AND ADDED TO. THIS VEHICAL SHOULD NOT BE ALOUD ON THE ROAD! ITS DANGEROUS FOR EVERYONE ON THE ROAD.
NHTSA ODI #10825925
92,000 miles · Feb 5, 2016
Electrical SystemEngineSteering
I WAS DRIVING ON THE HIGHWAY IN SLUSHY SNOW AND THE BRAKE LIGHT & BATTERY LIGHT CAME ON. THE ENGINE SOUNDED ROUGH. WHEN I WENT TO PULL OF THE HIGHWAY, I HAD NO POWER STEERING.
NHTSA ODI #10824385
174,000 miles · Jan 31, 2016
Engine
WHILE MOVING AT 70 MPH INTERSTATE SPEED LIMIT, MY DAUGHTER HEARD A LOUD POP AND THE ENGINE MADE POPPING NOISES AS SHE BROUGHT THE SUV TO A STOP ON THE SIDE OF THE INTERSTATE. SHE ULTIMATELY RESTARTED THE VEHICLE AND DROVE AT 30 MPH WITH FLASHING HAZARD LIGHTS ON UNTIL REACHING THE NEXT EXIT (2-3 MILES MAX.) TO A SAFE LOCATION B…
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WHILE MOVING AT 70 MPH INTERSTATE SPEED LIMIT, MY DAUGHTER HEARD A LOUD POP AND THE ENGINE MADE POPPING NOISES AS SHE BROUGHT THE SUV TO A STOP ON THE SIDE OF THE INTERSTATE. SHE ULTIMATELY RESTARTED THE VEHICLE AND DROVE AT 30 MPH WITH FLASHING HAZARD LIGHTS ON UNTIL REACHING THE NEXT EXIT (2-3 MILES MAX.) TO A SAFE LOCATION BEING AROUND 9:00 PM IN THE EVENING. THE SUV WAS TAKEN TO A FIRESTONE MASTERCARE STORE IN CHATTANOOGA, TN. AFTER REMOVING THE ENGINE COVER, THE MECHANIC FOUND PART OF THE SPARK PLUG AND IGNITION PART, INDICATED THAT THE LOCATION WHERE THE SPARK PLUG WAS INSERTED HAD BEEN STRIPPED OUT BY THE PARTS BLOWING OUT OF THEIR NORMAL LOCATION WITH EXTREME PRESSURE. THE SUV HAS BEEN TOWED TO MY HOME WHERE IT IS SITTING PENDING WHAT OPTIONS ARE AVAILABLE FOR REPAIR.
NHTSA ODI #10823353
159,000 miles · Jan 22, 2016
EngineCrashFire
BELT SPROCKET AND HARMONIC BALANCER WITH BOLT. THE BOLT IS MADE OF SUBSTANDARD MATERIAL AND BROKE CAUSING THE AUTOMOBILE TO LOSE POWER STEERING AND OTHER VITAL CAR FEATURES. NO WARNING, IT JUST BROKE WHILE IN MOTION CAUSING ALL OF THE BELTS TO SEIZE. I WAS ON A HILLY MOUNTAINOUS ROAD IN MY HOME AREA OF HIGH RIDGE MISSOURI, ACUTA…
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BELT SPROCKET AND HARMONIC BALANCER WITH BOLT. THE BOLT IS MADE OF SUBSTANDARD MATERIAL AND BROKE CAUSING THE AUTOMOBILE TO LOSE POWER STEERING AND OTHER VITAL CAR FEATURES. NO WARNING, IT JUST BROKE WHILE IN MOTION CAUSING ALL OF THE BELTS TO SEIZE. I WAS ON A HILLY MOUNTAINOUS ROAD IN MY HOME AREA OF HIGH RIDGE MISSOURI, ACUTALLY ON THE HIGH RIDGE.I AM LUCKY THAT I AM SMART ENOUGH TO DRIVE DEFENSIVELY AND WAS ABLE TO COAST TO A SAFE SIDE ROAD. TWO MECHANICS CAME TO MY RESCUE AND EASILY SAW THAT THE PROBLEM STATING THAT I WOULD NEED A WHOLE NEW ENGINE.I HAVE A TEMPORARY FIX ESTIMATE FROM MY MECHANIC BUT HE SAYS THE CAR REALLY NEEDS A WHOLE NEW ENGINE.....
NHTSA ODI #10821774
140,000 miles · Jan 21, 2016
Engine
6/2015 VEHICLE BEGAN TO RUN ROUGH. LOCAL MECHANIC DISCOVERED CRANKCASE BOLT HAD SNAPPED AND THE PULLEY AND BALANCER MOUNTING SCREW HAD SHEARED OFF. SHOP CONFIRMED A KIA KIT TO FIX THE ISSUE ($1200.00 + 1007.00 FOR TIMING GEAR KIT AND WATER PUMP) 1/15/2016 WHILE DRIVING INTO THE ROUNDABOUT ON PORTAL WAY (15 MPH) THERE WAS A LOUD …
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6/2015 VEHICLE BEGAN TO RUN ROUGH. LOCAL MECHANIC DISCOVERED CRANKCASE BOLT HAD SNAPPED AND THE PULLEY AND BALANCER MOUNTING SCREW HAD SHEARED OFF. SHOP CONFIRMED A KIA KIT TO FIX THE ISSUE ($1200.00 + 1007.00 FOR TIMING GEAR KIT AND WATER PUMP) 1/15/2016 WHILE DRIVING INTO THE ROUNDABOUT ON PORTAL WAY (15 MPH) THERE WAS A LOUD CLUNK FROM THE ENGINE COMPARTMENT IMMEDIATELY FOLLOWED BY THE LOSS OF POWER STEERING, ASB BRAKING AND VOLTMETER WARNING LIGHTS. THE VEHICLE WAS TOWED TO MECHANICS SHOP WHERE IT WAS CONFIRMED THAT THE NEW CRANKCASE BOLT HAS BROKEN AGAIN DAMAGING THE NEW PULLEY AND BALANCER ALSO. THE SHOP CONTACTED THE LOCAL KIA DEALER AND THEY CONFIRMED THAT THE 2003-2006 V6 3.5L MISABISHI ENGINES USED HAVE A LONG RECORD OF THIS PROBLEM WITH NO PERMANENT FIX. THE FOLLOWING INFORMATION WAS EMAILED TO ME FROM THE OWNER OF AXTON AUTOMOTIVE, FERNDALE WA AN ASE CERTIFIED SHOP, "ON WEDNESDAY, JANUARY 20, 2016, AXTON AUTOMOTIVE <AXTONAUTOMOTIVE@GMAIL.COM> WROTE: HELLO, ON YOU KIA. IT DOESN'T LOOK LIKE ANY FIX IS PERMANENT ON THE VEHICLE. EVEN THEIR OWN RECALL/FIX IS FAILING. I RECOMMEND FILING A COMPLAINT AT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION.. I WILL COME UP WITH SOME OPTIONS TOMORROW AND GET BACK TO YOU. BUT WHATEVER WE DECIDE I RECOMMEND NOT USING THIS VEHICLE. JIM" THE VEHICLE IS DISABLED AT THIS TIME WITH NO RESPONSE FROM KIA.
NHTSA ODI #10821350
60,000 miles · Dec 15, 2015
Engine
KIA SORENTO - I HAVE A 2006 SORENTO THAT JUST TURNED 60,000 MILES IN OCTOBER. I HAD DRIVEN IT AT LUNCH ONE DAY, WHEN I WENT TO LEAVE THE OFFICE AT 5, THE CAR WAS MAKING AN AWFUL GRINDING NOISE AND THE EMERGENCY BRAKE LIGHT CAME ON, EVEN THOUGH THE BRAKE WAS NOT ON. THEN THE POWER STEERING WENT OUT. I HAD TO HAVE IT TOWED IN B…
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KIA SORENTO - I HAVE A 2006 SORENTO THAT JUST TURNED 60,000 MILES IN OCTOBER. I HAD DRIVEN IT AT LUNCH ONE DAY, WHEN I WENT TO LEAVE THE OFFICE AT 5, THE CAR WAS MAKING AN AWFUL GRINDING NOISE AND THE EMERGENCY BRAKE LIGHT CAME ON, EVEN THOUGH THE BRAKE WAS NOT ON. THEN THE POWER STEERING WENT OUT. I HAD TO HAVE IT TOWED IN BECAUSE THE CRANKSHAFT MALFUNCTIONED AND THAT ALONG WITH ALL THE BELTS AND PARTS HAD TO BE REPLACED. IT TOOK 5 WEEKS FOR THE REPAIR, AND NOW IT HAS TO GO BACK BECAUSE ONE OF THE NEW BELTS IS SCREECHING. I PAID $1,300 FOR THE REPAIR AND KIA ONLY PAID PART OF THE REPAIR. WHY WOULD THEY PAY FOR PART AND NOT ALL, IF IT WAS A DEFECTIVE PART THAT THERE SHOULD HAVE BEEN A RECALL ON?
NHTSA ODI #10810513
83,000 miles · Nov 3, 2015
Engine
TL* THE CONTACT OWNS A 2006 KIA SORENTO. WHILE DRIVING AT APPROXIMATELY 30 MPH, THE ENGINE STALLED AND ALL THE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE CRANK SHAFT PULLEY BOLT FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIF…
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TL* THE CONTACT OWNS A 2006 KIA SORENTO. WHILE DRIVING AT APPROXIMATELY 30 MPH, THE ENGINE STALLED AND ALL THE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE CRANK SHAFT PULLEY BOLT FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 83,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10787946
Mileage unknown · Oct 22, 2015
Engine
2006 KIA SORENTO. CONSUMER WRITES IN REGARDS TO DESIGN DEFECT WITH THE ENGINE CRANKSHAFT SPROCKET. CONSUMER HAS PREVIOUS CORRESPONDENCE WITH DIFFERENT ODI# (NAR) AND ISSUE IN ARTEMIS. *SMD THE CONSUMER STATE IF THE BOLT BREAKS, THE ENGINE WILL STALL AND POWER STEERING WILL BE LOST. *JB
NHTSA ODI #10806838
225,000 miles · Sep 14, 2015
Engine
TL* THE CONTACT OWNS A 2006 KIA SORENTO. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT WAS UNABLE TO RESTART THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE CRANK POSITION SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. …
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TL* THE CONTACT OWNS A 2006 KIA SORENTO. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT WAS UNABLE TO RESTART THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE CRANK POSITION SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 225,000.
NHTSA ODI #10763559
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.