2012 Kia Sorento engine problems

Updated from NHTSA data · How we count

179 owners have reported engine problems with the 2012 Kia Sorento, 50% of all complaints about this model year. The typical problem appeared around 127,000 mi.

Engine complaints
179
Crashes
1
Fires
25
Injuries
3
Related recalls
3
Median mileage
127,000 mi

Specific components reported

Engine covers: stalling, loss of power, oil consumption, overheating.

ComponentComplaints
Engine172
Engine and engine cooling6
Engine and engine cooling:engine:engine control module (ecu/ecm):software1
Engine and engine cooling:engine:oil/lubrication:sump/tank:drain plug1

Engine complaints across Kia Sorento years

22005122007102200914317920122132912014264664201636610620181586820206953202232620241912026
Engine complaints by model year. The 2012 is highlighted.

Mileage when the problem appeared

4Under 10k110k–30k130k–60k1760k–100k35100k–150k27150k+
Complaints that list mileage, grouped by odometer reading.

Related recalls

  • Recall 20V750000Dec 2, 2020294,756 vehicles
    ENGINE

    Kia Motors America (Kia) is recalling certain 2012-2013 Sorento, 2012-2015 Forte and Forte Koup, 2011-2013 Optima Hybrid, 2014-2015 Soul, and 2012 Sportage vehicles. An engine compartment fire can occur while driving.

    Risk: An engine compartment fire increases the risk of injury.

    Remedy: Kia will notify owners, and dealers will inspect the engine compartment for fuel and/or engine oil leaks, perform an engine test and make any repairs, including engine replacement, as necessary, free of charge. In addition, Kia dealers will update the Knock Sensor Detection System (KSDS) software, free of charge. The recall began January 27, 2021. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC200.

  • Recall 18V907000Dec 19, 201871,653 vehicles
    ENGINE · FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    Kia Motors America (Kia) is recalling certain 2011-2017 Optima, 2012-2017 Sorento and 2011-2018 Sportage vehicles that previously received an engine replacement under recall number 17V-224, warranty, or the Knock Sensor Detection System (KSDS) Product Improvement Campaign. The high pressure fuel pipe that connects to the fuel pump outlet may have been damaged, misaligned or improperly torqued during the engine replacement procedure, possibly causing a fuel leak.

    Risk: A fuel leak in the presence of an ignition source can increase the risk of a fire.

    Remedy: Kia has notified owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began January 17, 2019. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC172.

  • Recall 17V224000Mar 31, 2017618,160 vehicles
    ENGINE AND ENGINE COOLING:ENGINE

    Kia Motor Company (Kia) is recalling certain 2011-2014 Optima, 2012-2014 Sorento and 2011-2013 Sportage vehicles. Machining errors during the engine manufacturing process may cause premature bearing wear within the engine.

    Risk: Bearing wear may result in the engine seizing, increasing the risk of a crash.

    Remedy: Kia will notify owners, and dealers will inspect the engine assembly, and replace the engine if necessary, free of charge. The recall began June 20, 2017. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC147.

What owners say

  1. Filed Jul 29, 2026OHEngine
    I am filing this complaint regarding a sudden and unexpected engine failure in my 2012 Kia Sorento LX equipped with the 2.4L Theta II engine. Vehicle Information: Year: 2012 Make/Model: Kia Sorento LX Engine: 2.4L Theta II VIN: [XXX] While driving, my vehicle experienced a sudden engine failure and lost power, leaving the vehicle inoperable. This occurred without warning. The vehicle received routine maintenance, including regular oil changes, and the failure was not due to…
    NHTSA complaint #11753475 · source
  2. Filed May 7, 2026NYFireEngine
    The contact owned a 2012 Kia Sorento. The contact’s spouse stated that while driving at an undisclosed speed, the vehicle suddenly lost motive power with no warning lights illuminated. The contact's spouse noticed smoke coming from the front of the vehicle, prompting the contact’s spouse to pull over to the side of the roadway. Moments later, the front of the vehicle caught fire. The local fire department responded to the scene and extinguished the fire; however, the cause…
    NHTSA complaint #11736289 · source
  3. Filed Apr 27, 2026FLAirbagsEngineSteering
    The clock spring needs fixed no features including the horn is working in my airbag light is staying on. Also I now have a loud knock in my motor I understand this should fall under the extended 15 yr 150k warranty; 2012 Kia vehicles (specifically the Sorento) with V6 engines are covered under major safety recalls for engine failure and fire risks. The primary issue involves metal debris from manufacturing that can cause premature engine bearing wear, stalling, and fire. You…
    NHTSA complaint #11734042 · source
  4. Filed Mar 26, 2026CTEngine
    Engine warning lamp illuminated as the engine lost some power. Code was diagnosed as the knock sensor issue. Unit taken to mechanic to evaluate and diagnose. Repair shop notified us that based on the sensor, the engine could succumb to a failure at any time. Engine oil was flushed, cleaned, and replaced. Code was addressed currently. This is similar to the failures observed by other engines in this class, however, it does not appear this engine is part of the lifetime…
    NHTSA complaint #11727241 · source
  5. Filed Mar 25, 2026TXEngine
    The contact owns a 2012 Kia Sorento. The contact stated that while driving 75 MPH, the check engine warning light was flashing on the instrument panel. There was a misfire coming from the engine. The contact stated that the vehicle was sputtering while depressing the accelerator pedal and cautiously drove to the nearest independent mechanic. The mechanic used a code scanner and retrieved a fault code for an inoperable knock sensor and wiring harness. The vehicle was also…
    NHTSA complaint #11726983 · source
  6. Filed Mar 9, 2026MDEngine
    Engine Knocking - Car enters limp mode and has a known recall. KSDS was updated in prior recall and engine has failed at 118k Miles. Car has been well maintained. Kia asks for maintenance records, records were provided and they will not take action. KIA avoided fixing the engine and just updated software to tell you when this happens and now that the engine is failing will not honor their warranty or do work on the car despite sending maintenance records of over 10 years
    NHTSA complaint #11722989 · source
  7. Filed Feb 11, 2026200,000 miVAFireEngine
    The contact owns a 2012 Kia Sorento. The contact stated that after parking and turning off the vehicle, she entered the post office; after 3 to 4 minutes, she was alerted by a consumer that the vehicle had caught fire. The contact noticed fire emerging from the undercarriage. The TPMS warning light had been illuminated prior to the incident. Post office employees attempted to extinguish the fire. The fire department was called and successfully extinguished the fire. There…
    NHTSA complaint #11717233 · source
  8. Filed Feb 4, 2026250,000 miOHBrakesEngine
    The contact owns a 2012 Kia Sorento. The contact received notifications of NHTSA Campaign Numbers: 20V750000 (Engine) and 23V652000 (Service Brakes, Hydraulic); however, the parts to do the recall repairs were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The contact stated that while driving into a parking spot, the vehicle suddenly lost power and stalled. The contact later replaced the battery, but…
    NHTSA complaint #11715455 · source
  9. Filed Jan 8, 2026106,000 miALBrakesEngineTransmission & Drivetrain
    The contact owns a 2012 Kia Sorento. The contact stated that the rod bearings were knocking, and the check engine warning light was illuminated. The contact received notification of NHTSA Campaign Numbers: 15V626000 (Power Train), 23V652000 (Service Brakes, Hydraulic), and 20V750000 (Engine). The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The contact called the warranty company which declined the repairs.…
    NHTSA complaint #11709737 · source
  10. Filed Dec 30, 2025160,000 miMOTowedEngine
    The contact owns a 2012 Kia Sorento. The contact stated that her son had reported that the vehicle was losing motive power and had failed to exceed 15 MPH while driving. The check engine warning illuminated. The contact advised the driver to pull over and to stop the vehicle. The vehicle was towed to a local dealer, who diagnosed the vehicle and advised that the engine had failed the engine bearing test and several other engine tests. The contact was advised that the vehicle…
    NHTSA complaint #11707873 · source
  11. Filed Oct 20, 2025106,334 miORFireTowedEngine
    The contact owns a 2012 Kia Sorento. The contact stated that, while driving at 60 MPH, she observed smoke emanating from the engine compartment, prompting her to attempt to pull to the shoulder of the roadway. During the attempt, the contact stated that she then heard an abnormal pop, after which the vehicle lost motive power, and within a moment, the entire front end of the vehicle was engulfed in flames. Upon exiting the vehicle and being assisted by bystanders, the…
    NHTSA complaint #11694509 · source
  12. Filed Sep 18, 2025ALCrash2 injuredTowedAirbagsBody & StructureEngine
    Hey I’ve Recently Wrecked My Vehicle Due To Malfunctions This Year Just A Few Months Ago & I Reported It To The Dealer Before I Crashed It. That Something Was Wrong With The Engine And Also Sent The Dealership I Purchased It From Videos Before Hand But Nobody Would Listen To Me. Now My Car Is Sitting In A lot Engine Blowed And I Can’t Afford Another One. I Have Proof , Names And Also Couldn’t Get My Car Fixed Because I Only Had Liability Insurance Only. No Report Was Filed…
    NHTSA complaint #11688229 · source

Other 2012 Kia Sorento problem areas

Back to all 2012 Kia Sorento problems →

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology