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2014 Hyundai Sonata engine problems

322 complaints (43% of all complaints for this car). Typical mileage when it fails: 86,000. 7 crashes reported.

owner complaints
322
of this car's complaints
43%
typical mileage
86,000
crashes
7
recalls
2

Which part fails

  • Engine: oil/lubrication
    1

At what mileage

Complaints by mileage at the time of the problem.

0k-25k
25k-50k
50k-75k
75k-100k
100k-125k
125k-150k
150k-175k
175k-200k
200k+

Hyundai Sonata engine problems in other years

19911995200020052010201520202025

Specific symptoms reported on the 2014 Hyundai Sonata engine

Phrases found in the owners' own descriptions, so one complaint can mention several symptoms.

Engine failure 97Check engine light 86Stalling 78Knocking 68Loss of power 42Won't start 25Oil consumption 21Overheating 7Misfire 5

Related recalls

EngineReported December 28, 2018 · 150,730 vehicles affected
What is wrong
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2013-2014 Santa Fe Sport vehicles previously repaired under recall numbers 15V‑568 and 17V‑226. 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, allowing fuel to leak from the pipe.
Risk
A fuel leak in the presence of an ignition source can increase the risk of a fire.
Remedy
Hyundai will notify owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began March 1, 2019. Owners may contact Hyundai customer service at 1‑855‑371‑9460. Hyundai's recall number for this recall is 180.

Recall number 18V934000 · Recall details

Engine and engine cooling: engineReported March 31, 2017 · 572,000 vehicles affected
What is wrong
Hyundai Motor America (Hyundai) is recalling certain 2013-2014 Sonata and Santa Fe Sport 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
Hyundai will notify owners, and dealers will inspect the engine, replacing the engine short block, as necessary, free of charge. The recall began June 2017. Owners may contact Hyundai customer service at 1‑800‑633‑5151. Hyundai's number for this recall is 162.

Recall number 17V226000 · Recall details

Related investigations

Loss of Motive PowerOpened September 12, 2022, closed December 12, 2023

the federal safety agency received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021. The Petitioners cited examples of complaints indicating that the subject vehicles were experiencing rapid loss of engine oil due to oil drain plug back outs, resulting in loss of motive power and/or catastrophic engine damage. Additional complaints were provided which alleged that the oil drain pans lack sufficient structural integrity and are susceptible to cracking. The petition itself can be reviewed at under ODI number 11481745. On September 12, 2022, the Office of Defects Investigation (ODI) opened Defect Petition (DP22-003) to evaluate the Petitioners’ request. The Petitioners have provided additional complaints within four supplemental letters dated January 31, 2023, March 21, 2023, May 23, 2023, and August 4, 2023. ODI’s evaluation included the review and analysis of the complaints and supporting information submitted by the Petitioners, as well as additional complaints submitted directly to the federal safety agency which referenced either the oil drain plug or a crack in the oil pan. After reviewing the available data, ODI has not identified evidence that would support opening a defect investigation into the oil drain pan assemblies of the subject vehicles. Based on a review of the available information, a loss of motive power resulting from an oil drain plug back out has not occurred between the initial sale of a vehicle and the completion of its first oil change. If during an oil change service, a technician fails to remove the existing drain plug gasket before installing a new gasket, it is likely that a proper seal between the drain plug and the oil pan will not be made. An improper seal between the drain plug and oil pan could lead to the backing out on the drain plug, resulting in the sudden loss of oil while driving. Additionally, the provided examples of oil pan cracks were localized to the immediate vicinity of the oil drain plug and/or appeared to be the result of direct-contact with a tool during servicing.  There is no information to support that a vehicle-based defect exists relating to the oil pan assembly, and instead the documented incidents are related to the failure to follow the proper maintenance procedures during oil change service. In October 2023, Hyundai published a Technical Service Bulletin (TSB) that provided detailed instructions for oil change service on its gasoline powered vehicles, specifically highlighting the need to remove and replace the existing drain plug gasket prior to reinstalling the drain plug. After a thorough review of the material submitted by the petitioner, the information already in the federal safety agency's possession, and the potential risks to motor vehicle safety implicated by the petitioners' allegations, the federal safety agency does not believe that a formal investigation is warranted. Therefore, the petition is denied. A Federal Register Notice (FRN) further detailing the federal safety agency’s reasons for denial of the petition will be published. The reference numbers for the complaints to the federal safety agency cited by the petitioner can be found in the petition submission documents in the public file for DP22-003. To review those complaints and the additional complaints ODI added to its evaluation which are cited in the Closing Resume ODI Report Identification Number document, go to

DP22003

Engine FiresOpened December 22, 2021, closed February 5, 2024

On March 29, 2019, the Office of Defects Investigation (ODI) opened two Preliminary Evaluations (PE19-003 on Hyundai and PE19-004 on Kia) to broadly investigate incidents of non-crash fires (regardless of origin or operational status of the vehicle) on various model year Hyundai and Kia vehicles. During the PE investigations, Hyundai and Kia issued several recalls to address vehicle fires, including those due to engine failures involving various engine types. The remedies for the engine failure recalls typically involve engine inspection (to detect existing damage), and if necessary, engine replacement. Additionally, both manufacturers have been installing an engine control software modification known as Knock Sensor Detection Software (KSDS) which is intended to detect impending engine failure, alert the driver, and limit engine power (to lessen likelihood of engine failure).KSDS is being installed under recalls and non-safety field actions, and both companies have extended limited engine warranties (see recall files). On December 22, 2021, ODI upgraded PE19-003 and PE19-004 to this Engineering Analysis (EA21-003, covering both Hyundai and Kia) to evaluate the scope of the prior recalls related to engine failures/fires and the efficacy of the recall remedies for the recalls, as well as the long-term viability of related programs and non-safety field actions being conducted by Hyundai and Kia. The former issue involved approximately 550,000 MY 2013 Hyundai Elantra, MY 2011 Kia Sorento, and MY 2012-2015 Kia Rio. The latter issue involved approximately 2.5 million recalled vehicles, which have been identified as displaying potential remedy concerns: Hyundai recalls 15V‑568, 17V‑226, 20V‑746, and 21V‑727; and Kia recalls 17V‑224, 19V‑120, 20V‑750, and 21V‑844. Regarding the recall scope issue, among all of the scope vehicles identified at EA opening, ODI found only the MY 2011 Kia Sorento vehicles equipped with both the Theta II 2.4L 4-cylinder Multi-Point Injection (MPI) and the Lambda II 3.5L 6-cylinder MPI engines experienced relatively high rates of reported fires. In December 2023, Kia issued recall 23V‑877 that will cover about 80,000 MY 2011 Kia Sorento vehicles equipped with the Theta II 2.4L MPI engines.  The remedy will involve an inspection, and if necessary, a replacement of the engine, as well as the installation of KSDS.  It should be noted that in 2021 these vehicles were included in a KSDS product improvement campaign with warranty extension. For the MY 2011 Sorento vehicles equipped with the Lambda II 3.5L engines, ODI believes that future engine failures/fires involving these vehicles will likely be due to a lax in adhering to the proper or scheduled engine maintenance (regular engine oil changes), rather than a design or manufacturing engine issue. Regarding the issue of the efficacy of the recall remedies, ODI found the majority of the recalled Hyundai and Kia vehicles, by model, experienced lower reported fire rates after the remedies were applied. Furthermore, ODI found that for most vehicles that did not receive the recall remedies, by model, experienced relatively high fire rates. To address this problem, Hyundai informed ODI in December 2023, that it will renotify all of its owners covered by the Hyundai recalls of engine failures/fires every 8 months for the next 3 years. In December 2023, Kia stated that it will renotify the majority of its owners every 8 months for the next 3 years.Several previously recalled Kia models are excluded from the renotification due to their lower reported rates of engine fires. Overall, the renotification actions will help to increase the recall completion rates, thus reduce the frequency of engine fires in the future. In view of the recall action being taken by Kia and renotification actions being taken by both Kia and Hyundai, ODI is closing this Engineering Analysis. Also, both companies have been released from the 2020-iniated Consent Orders (Kia since November 2022 and Hyundai since November 2023). The agency reserves the right to take additional action if warranted by future circumstances. To review the reports cited in the Closing Resume ODI Report Identification Number document, go to

EA21003

Scope and TimelinessOpened May 18, 2017, closed December 22, 2021

the federal safety agency opened Recall Query (RQ) 17-004 to investigate the timeliness and scope of Hyundai?s Theta II GDI engine recalls (Recall Nos. 15V‑568 and 17V‑226), and Hyundai?s compliance with reporting requirements. On November 23, 2020, the Agency entered into a Consent Order with Hyundai to administratively resolve the federal safety agency?s assertions of violations of law in connection with RQ17-004. the federal safety agency?s assertions included that Hyundai may be liable for civil penalties on multiple grounds, including the untimeliness of Recall Nos. 15V‑568 and 17V‑226, inaccuracies in Hyundai?s recall reports, and that a required report describing potential safety-related issues contained certain inaccuracies or omissions.Under the Consent Order, Hyundai agreed to a total civil penalty of $140,000,000. The total civil penalty included payment of $54,000,000 as a Non-Deferred Amount. Hyundai also agreed to a sum of $46,000,000 as an Abeyance Amount to be deferred and held in abeyance pending its satisfactory completion, as reasonably determined by the federal safety agency, of the requirements of the Consent Order.Additionally, Hyundai agreed to a $40,000,000 Performance Obligation Amount to be expended by Hyundai to fulfill specified Safety Data Analytics Infrastructure obligations and Test and Inspection Laboratory obligations. The Consent Order also includes other terms designed to enhance Hyundai?s safety practices, and requires Hyundai to retain a Third-Party Auditor who directly reports to the federal safety agency.Other than RQ17-004, the Consent Order is not intended to affect any other current or future investigation which may involve vehicles equipped with Theta II GDI engines. In particular, Engineering Analysis (EA) 21-003 (which is upgraded from Preliminary Evaluation (PE) 19-003) continues the federal safety agency?s evaluation of certain performance and design issues relating to the Theta II and other engines.Nothing in the Consent Order discharges Hyundai from any obligation to comply with the Safety Act or regulations thereunder, including the obligation to carry out recalls in accordance with law, and to initiate a recall upon any future determination by Hyundai, or upon any finally adjudicated order from the federal safety agency, that vehicles equipped with Theta II GDI engines contain a defect related to motor vehicle safety or do not comply with an applicable FMVSS.This RQ is closed. Closure of this RQ has no bearing on the terms of the Consent Order, including Hyundai's ongoing performance obligations, and does not represent a determination by the agency as to Hyundai?s performance under the Consent Order to date.

RQ17004

What 2014 Hyundai Sonata owners say

Most recent owner complaints, unedited.

Filed Oct 15, 2026 · Engine, Fuel system · NY

Summary of Event: This vehicle was brought to an authorized Hyundai dealership for a mandatory safety recall engine replacement under the Theta II Engine Recall Campaign. The dealership successfully installed a replacement engine provided by the manufacturer. However, the dealership and Hyundai Motor America are now refusing to return the vehicle to me in a functional, safe condition. Safety Hazard & Defect: The dealership states that the replacement engine shipped by Hyundai is mechanically and physically incompatible with the vehicle's original, factory-installed high-pressure fuel pump (HPFP). In an official written correspondence from a Hyundai Motor America Corporate Case Manager, Hyundai explicitly documented that: "dealership stated that it is not safe to drive the vehicle with old fuel pump." Despite acknowledging that the vehicle is now in an "unsafe to drive" condition due to the mismatched replacement parts provided by the manufacturer, Hyundai Corporate and the dealership are refusing to complete the safety recall remedy unless I pay $1,500 out-of-pocket for a new, compatible fuel pump.

Filed Oct 5, 2026 · Engine · UT

I was driving on the freeway about 100 miles outside of Boise, ID when the vehicle went into limp mode and a flashing check engine light came on. I had it towed to the Hyundai dealership in Boise where they ran a diagnostic check and it came back with a P1326 code, which is the issue related to the engine/ball bearings. They said it passed the bearing clearance test (BCT) so they updated the software and gave the car back. I picked it up a week later and while driving it from Boise to Salt Lake City (where I live), it went into limp mode again with a flashing check engine light. This happened about 100 miles north of Salt Lake City. I had it towed to a dealership in Murray. They indicated it passed the BCT again, but they replaced the knock sensor and did an oil change and gave the car back. I picked it up, and the next day, while on the freeway, the same thing happened again. I took it back to the dealership. They indicated the knock sensors they just installed the day before needed to be updated, so they updated the software for the knock sensors. I just picked it up, and within 45 seconds of being on the freeway, it went right back into limp mode with the flashing check engine light. This has happened 4 times now, on the freeway forcing me to immediately get over, and I have almost gotten into two separate accidents because of this. Hyundai says they will not replace the engine because it keeps passing the BCT. The vehicle is not safe to drive and it is likely causing irreparable damage to the other systems of the car.

Filed Sep 11, 2026 · Engine · 141,000 miles · CA

The contact owns a 2014 Hyundai Sonata. While the contact's wife was driving 65 MPH, the engine seized. The vehicle rolled to the shoulder of the road. The driver attempted to restart the vehicle, and the vehicle started. The contact stated that the accelerator pedal was depressed; however, the vehicle failed to accelerate. The vehicle failed to accelerate above 25 MPH, and the engine shuttered. The vehicle was driven to the shoulder of the roadway. The vehicle was towed to the residence. The dealer was contacted by phone and made aware of the failure. The vehicle was towed to the dealer. The dealer requested that the contact provide a fleet email associated with the VIN from Enterprise, which was the previous vehicle owner. The manufacturer was contacted by phone but provided no assistance. The failure mileage was 141,000.

Filed Aug 20, 2026 · Engine · VA

The vehicle suffered an abrupt, internal engine seizure while operating in active traffic at highway speeds. This sudden loss of power created an immediate crash hazard, as the vehicle decelerated rapidly in the travel lane, narrowly avoiding a rear-end collision and putting my family and other motorists at extreme risk. The vehicle was towed immediately to an authorized Hyundai dealership service center where it is currently awaiting the physical recall inspection. Prior to the complete engine failure, there were no warning lights, abnormal gauge readings, dashboard messages, or noticeable performance symptoms. The engine seized completely without warning. The vehicle has an open, uncompleted Federal Safety Recall 162 (the federal safety agency Campaign Number: 16V729000) for this exact engine manufacturing defect and bearing failure.

Filed Jul 13, 2026 · Engine · MO

The check engine lights blinking, it overheats and it shuts down.

Filed Jun 29, 2026 · Electrical, Engine · NC

I was driving my 2014 hyundai sonata that I only had for 3 months when it just quit on me. I pulled over and seen when white smoke was coming from the wires.

Filed Jun 28, 2026 · Airbags, Engine · MA

Updated the federal safety agency Complaint DraftVehicle Information: 2014 Hyundai SonataVIN: [XXX] Incident Date: XXX Description of Safety Defect:While driving on XXX, the vehicle's engine experienced a catastrophic mechanical failure and completely shut off without warning, causing an immediate loss of motive power. This sudden engine stall created an extreme, hazardous traffic safety risk.A subsequent professional inspection revealed that the vehicle's odometer had been illegally rolled back and tampered with by the selling dealership (Johny's Auto Center in 120 bleu hill ave Roxbury, MA) 02119 prior to purchase. The true, undocumented mileage of the engine is significantly higher than indicated, directly causing this sudden component failure. I am reporting this incident both as a critical vehicle safety defect and as a case of illegal odometer fraud. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed May 31, 2026 · Engine, Fuel system · PA

I am submitting this complaint regarding a serious safety issue involving my Hyundai Sonata. While driving under normal conditions, my vehicle suddenly entered a low-power ("limp") mode without warning. The vehicle would not accelerate beyond approximately 30–35 mph, creating a potentially hazardous situation in traffic. At the same time, the check engine light began blinking. The sudden loss of power significantly reduced my ability to maintain traffic speed and safely maneuver the vehicle. This condition could have increased the risk of a rear-end collision or other accident. I brought the vehicle to an authorized Hyundai dealership (Fred Beans Honda Of Abington PH# 215‑392‑9020) for diagnosis. The dealership confirmed that the vehicle stored Diagnostic Trouble Code (DTC) P1326, related to the Knock Sensor Detection System (KSDS). According to the dealership, the vehicle entered limp mode as a result of this fault. The abrupt reduction in vehicle power and speed occurred without sufficient warning and created a safety concern. I am reporting this incident so that the federal safety agency can investigate whether this condition represents a broader safety defect affecting Hyundai Sonata vehicles equipped with the KSDS system. Vehicle Information: Make: Hyundai Model: Sonata Model Year: 2014 I request that the federal safety agency review this issue and evaluate whether additional action is warranted regarding vehicles experiencing DTC P1326 and associated limp-mode operation.

Filed May 5, 2026 · Engine · NC

Vehicle Information: Year/Make/Model: 2014 Hyundai Sonata Mileage: less than 120,000 miles Ownership: Second owner Complaint: I am filing a complaint regarding a serious engine failure in my 2014 Hyundai Sonata. My vehicle experienced issues beginning with a faulty knock sensor, which escalated into complete engine failure. This issue appears to be identical to problems that have already been identified in recalls involving similar Hyundai Sonata models. Despite experiencing the same symptoms and failure pattern, my specific VIN is not included in the recall. My vehicle has been well maintained, has under 120,000 miles, and should not have experienced a total engine failure under normal conditions. Based on the known recall issues related to engine defects and knock sensor failures, I believe my vehicle is affected by the same underlying defect. I am concerned that vehicles like mine are being excluded from the recall despite having identical safety-related issues. Engine failure while driving presents a serious safety risk, including potential loss of power, stalling, or inability to accelerate in traffic. I have had the car looked by a professional and advised of the engine failure and this is a common issue with this make and model.

Filed Mar 27, 2026 · Engine · GA

The contact owns a 2014 Hyundai Sonata. The contact stated that the vehicle failed to start. The vehicle was towed to the residence and was started. The contact stated that the failure was intermittent. The contact stated that while driving at an undisclosed speed, the vehicle stalled. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with turbo charger failure. The contact was informed that the turbo charger needed to be replaced. The vehicle was not repaired due to the cost. The manufacturer was not contacted. The failure mileage was unknown.

Questions about the 2014 Hyundai Sonata engine

Does the 2014 Hyundai Sonata have engine problems?

Owners have filed 322 complaints about the engine of the 2014 Hyundai Sonata, 43% of all its complaints, more than any other problem.

At what mileage do 2014 Hyundai Sonata engine problems start?

The typical (median) mileage in owner complaints is 86,000 miles.

Was there a recall on the 2014 Hyundai Sonata engine?

Yes, 2 recalls: 18V934000, 17V226000. Check your VIN to see if your car still needs the free repair.

What year does the Hyundai Sonata have bad engine?

The Hyundai Sonata model years with the most engine complaints are 2011 (1,012 complaints), 2013 (776 complaints) and 2015 (650 complaints).

Other 2014 Hyundai Sonata problems

Electrical 135Lights 120Fuel system 89Steering 65Brakes 60Transmission 55Airbags 31Seat belts 25Acceleration 22Driver assistance 20Body 17Visibility 10Suspension 7Seats 5Wheels 5Locks 4Tires 3

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