In January of 2022, my vehicle experienced a complete power loss while driving to work, leaving the car coasting down the road. A Check Hybrid System warning came up on the dashboard, along with several other warning lights, including Check Engine. Luckily, I was able to pull over without an accident occurring. Once stopped, the vehicle did restart and got me to and back from work. A diagnosis effort made at a local Hyundai dealership was unsuccessful as they could not replicate the problem and found no error codes in the auto's CPU system. I continued to drive the vehicle, hoping it was a one time deal, but since then, the identical situation has occurred three more times. I was extremely lucky that I had been in a position to safely pull off to the side of the road. The car has not been driven since March 19, 2022. After researching this scenario online, it appears to be the exact situation reflected in the Hyundai Recall campaign 175 from 2018, where the dealership remove the original VPD module and replace it with a Battery Management System (BMS) that contains an Overvoltage Protection Device (OPD). The recall is said to have been done on my vehicle, but the exact situation has reoccurred. Every time time the car lost power, it was preceded by a shuttering feel in the car, an alarm would go off and the propulsion system would just shut down and the Check Hybrid light would come on. Hyundai's only response has been to drive the car until it fails again (can you believe that?) and bring it in again for diagnosis. Even if that were to be done, the technicians and others on the road, would then be put at risk, as well, if they drove the vehicle in an attempt to get it to fail. I am the second owner of this car and the recall was supposedly done prior to my purchase. I now wonder if the dealer knew of the problem and that is why it was $2K below KBB. I cannot safely drive the car and can't sell it without loss once this safety issue is revealed. Thank you.

- Westminster, CO, USA

We were on a road trip and the car was on cruise control. I stopped accelerating and lost power. We had it towed to the nearest aaa approved mechanic. They ran the codes and found P132600- knock signal range performance. The technician found heavy metal contamination in the oil. The motor needs to be completely replaced

- Mariposa , CA, USA

Started oil consumption testing in Aug 2021 through Hyundai due to the vehicle taking in at least 1.5 qts of oil every 1,000 miles. After multiple tests, Hyundai completed a combustion cleaning in Jan 2022. No changes. After an additional oil consumption test in March 2022, Hyundai has advised this is normal consumption. No action to be taken from dealer/Corp until engine blows a rod. Manufacturer &/or dealer prefers for my family to suffer a dangerous and potentially catastrophic event before addressing what is to be a known issue with this year/make/model.

- Wesley Chapel, FM, USA

On 04/09/2022 around 6:30 PM EDT, while driving on the Florida Turnpike at the posted 70 mph in Orlando FL, the 2015 Sonata Hybrid suddenly shut down in the center of 4-lanes with heavy traffic. The engine would not run and only sputtered and jerked when I gave it any gas. The display screen lit up with multiple failure symbols including the Hybrid System failure, lane detection failure, and several others. I exited the Turnpike and had a local auto store scan the vehicle finding the following DTC-??s: 1. P1326: Excessive connecting rod bearing wear 2. U0293: Lost Communication with Hybrid Powertrain Control Module 3. U1004: Not certain The vehicle was checked and found to be full of oil. The vehicle was serviced at the Hyundai Dealer on 02/25/2022 where they specifically updated the -??Excessive connecting rod bearing wear-?? knock sensor software along with a turn signal issue. Having the engine go into a default mode at 70 mph in heavy traffic was a near disaster. A simple warning would have been adequate to all me to safely navigate to the roadside.

- Winter Garden, FL, USA

When entering freeway and needing to get up to speed real quick, the car will accelerate to approximately 50mph and then engine totally cuts out like the gas stopped flowing to it. I then have to let off on the gas considerably or it will not accelerate until I let off on the gas about 1/2 way. I then must "Slowly" accelerate so that it won't cut the engine again. This will happen anywhere if I take off from 0 mph and try to accelerate with peddle eventually going to floor, the car will cut the engine and will feel like its dying until I let off on the gas peddle all the way and then slowly accelerate the vehicle up to speed.

- Phoenix, AZ, USA

Hyundai Motor America is doing fraud with its customer-??s and putting their lives at danger. They made engines with manufacturing defect. They sent a brochure to their customers to get the software updated for knocking sensors and then placed a lifetime warranty for the issues caused by it including any repair costs. They said the software will detect the knocking noise and will turn on Warning lights (Engine Light) as well as place the vehicle into reduced power, engine protection mode. Their brochure said they have defective engines in 2011-2019 Sonatas, 2013-2018 Santa FE Sports, 2019 Senta Fes, and 2014,2015, 2018 and 2019 Tucsons.I own a 2016 Hyundai Sonata. I did software update and then I started having engine knocking at around 76,000 miles. Sometimes, car automatically loses power on highways/freeways and sometimes it starts to accelerate on its own at very high RPM-??s. I contacted Hyundai dealership in Spring, TX (North Freeway Hyundai), which told me that Hyundai doesn-??t cover it anymore until unless its complete engine failure. This is not what their Warranty document (Brochure) said. They are denying to take care of the issue which was caused by manufacturing defect and their software update. Their brochure said they will take care of it including any engine repair costs. Their dealership told me that this is just the -??Beginning of the engine falling apart-??, they can start with putting a new cover on the faulty engine part rather than replacing it, which will cost me $640.50+tax to take the engine light disappear for few days. If they have to fix it permanently, it is going to cost me -??Thousands of Dollars-?? into parts and labor charges. Private mechanic said Hyundai Engines are "Can of Worms" and wont even touch it. As per Hyundai case managers instructions, I ended up spending $435.50 out of pocket without any work done on my vehicle. As per their Brochure, they are making defected engines from 2011. Thousands of people driving those dangerous vehicles.

- The Woodlands, TX, USA

Engine went bad prematurely. After 6 years of routine maintenance and standard commuting the engine went bad at 130k miles. No warning or indications that anything was wrong.

- Annapolis , MD, USA

My oil seems to be consumed really quickly! I get a full synthetic oil change and then my engine sounds strange and check the oil and there's no more oil in there! This is after less than 1,000 miles after the oil change! It's very expensive that every few months I need to go and get a new oil change, it's supposed to be every 6 months or after 5,000-7,500 miles with full synthetic but it only last about 700 miles before it starts to start to disappear! I'm scared it will cause my engine to get ruined and make a fire! This has been going on formore than 2 years now.

- Atlanta, GA, USA

Yesterday, my car-??s engine/battery/oil lights came on. I pulled over, checked the oil and it was almost completely dry. I went to start the car again and it would not start. After my mechanic checked the starter and battery, they determined that the engine was locked up. My engine could have caught on fire as there was no warning prior.

- Tullahoma, TN, USA

The Car is flash on Dash boards Check HEV and turn off the engine cause my car to idle. Turn off my car for 20 mins signal gone Then 2 weeks later randomly does it again. Car also flash Check Breaks on dash boards and turn off the engine and it shut my whole car off

- Lawerenceville , GA, USA

My 2016 Sonata se with 85,000 miles is using over 1 qt of all per 1,000 miles. I'm told that this is normal for this type of engine "?" is there any thing Hyundai will do to FIX this oil problem thanks C.W. Mehltretter

- Harvest, AL, USA

The contact owns a 2016 Hyundai Sonata. The contact stated upon accelerating from a complete stop at a traffic light, the vehicle stalled. The contact attempted to restart the vehicle, but the vehicle failed to restart and emitted an abnormal grinding sound. There was no warning light illuminated. The vehicle was towed to a local dealer, where it was diagnosed that the motor had failed and needed to be replaced. The contact was advised by the dealer that the failure was related to Hyundai Service Campaign Number: 953, regarding the Knock Sensor Detection System (KSDS). The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 93,000.

- Willow Springs, NC, USA

Took car to accredited service center for routine oil change early. Was given an opinion that the their was internal engine damage and that my engine would blow out if car was continued to be driven. I then had it towed to Hyundai dealership to be serviced and to get a second opinion. Service was done, and told it was a simple issue, after paying $400 after services were complete, I left feeling relieved it wasn-??t a bigger issue. Not less than maybe 6 hours later, early sunday morning, I was driving at night on the road and my engine completely blew out on me. My safety was put at risk and others around me on the road as well because I could have caused an accident, if I had been on the high-way going a higher MPH, my engine would have more than likely caught on fire or possibly have caused an accident. Clearly the issue was not fixed and they sent me to drive in a car that was faulty and not fixed, endangering my life and possibly others around me. It has only been inspected by hyundai, but clearly inspection by them is inadequate. No engine light warnings ever appeared. Oil light would occasionally flash on and off but I didn-??t think anything of it because, 1) no loud sounds/vibrations were happening, 2) my next oil change service wasn-??t until almost over 1,000 miles, as I regularly keep up with maintenance on my vehicle. I would say the on and off oil light was flashing maybe for about a week or so, and this was NOT after prior oil change, this occurred miles and miles after. I have attach pictures from the 1st opinion service, as well as the service I received from Hyundai before incident occured. I have also if needed to be provided, documentation of routine maintenance by Hyundai Dealership and from an accredited service center by the Better Business of Bureau.

- Tampa, FL, USA

Engine is consuming a quart of oil every 400 miles.

- Lexington, NC, USA

Unknown Vehicle made knocking noises and completely cut off on me. The vehicle had an oil change 1 month ago.

- Schererville, IN, USA

Car began to knock and lacked acceleration. I took it to a dealer and spent $300 on replacement of plugs and it seemed to be working fine. One month later on the highway, the car completely lost power and would no longer accelerate. I found online that the engine had been recalled and the warranty extended to 120K miles. Hyundai paid for a tow to the dealership. The dealership determined that the engine needed to be replaced and thought Hyundai would replace the engine due to the recall, but the replacement was denied by Hyundai. I do not not know at this point on what grounds, but the car has 117,000 miles on it and should be within the extended warranty period because of the recall. The estimate for replacement of the engine is $8000. I've only had the car a few months and expected to get at least a few years out of this vehicle.

- Brightwood, VA, USA

Engine is buring oil. I drove about 1,400 miles since last oil change, and my engine had almost no oil. There are no leaks. My driveway is clean. My mechanic says engine is burning oil inside and he put "crazy" amount of oil to top it off today. He told me to change my oil every 3,000 miles instead of 5,000. He has been saying there is an issue with engine buring oil for some time and recommended contacting this agency and dealer.

- Jacksonville, FL, USA

Problem is the engine is burning two quarts of oil every 1,000 miles. Was taking car in for oil change and check engine light went on. Service person said car was way down on oil which is why engine light went on. Said there was a problem with Hyundai engines and to take it to dealer. Dealer Ettleson agent John Cunniff confirm that there is a problem with that engine and said they would run an oil test. Oil was changed with new filter and told to come back in 1,000 miles. Returned to dealer after 1,000 miles and engine was down two quarts of oil, dealer topped off oil and said someone would contact me. I called several days later and John Cunniff said that using two quarts of oil in 1,000 miles was within specs. He said to contact Hyundai customer service. I did with case # 19220125, and Frances was case worker. Attempted to contact Frances three times with negative results. I called and spoke with a Cindy who stated case notes stated Frances contacted Ettleson and they said two quarts of in 1,000 miles is normal, complaint was closed. Research disclosed there is a problem with oil consumption in that engine, backed up by their and other mechanics. I have 69,000 miles on the vehicle and a 100,000 mile warranty. I have all maintenance files for the vehicle since I purchased it. i have complied with the dealers instructions and have had my PCV replaced, and just keep adding oil to keep my engine running. Please advise my options.

- Orland Park , IL, USA

my 2016 Sonata SE vin #[XXX] has a engine recall, Hyundai gave me a lifetime Warranty of the engine and power train. the Sonata has 84577 miles on the engine and is using 1 QT of oil per 1,000 miles. took the car to Bentley Hyundai in Huntsville, Al. for an oil change and to see what they will do about the oil issue. I'm to bring the car back to them in 1,000 miles for them to check out how much oil the car is using. I was told that even with the lifetime Warranty of the engine and power train that with the engine using a quart of oil that Hyundai won't do many thing to take care of the problem. If the engine was given a Lifetime warranty by Hyundai why won't they do any thing to correct the oil problem. Thanks [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

- Harvest, AL, USA

Car started bucking and slowing on freeway. Took car to dealership October 2021 after 2 weeks, I was informed the car needed a new engine. A few days later I was informed, my battery needed replacement. Three months later, January 31, 2022 while in the freeway, my car started bucking then decelerated from 70 mph to 10-20 mph on the freeway ( only reached 40 mph going down hill). Check HEV system and Check Hybrid system indicator triangles were on. Battery light indicator and engine light indicator also on. I had car towed to dealership. I was informed I needed two plugs replaced. 2 weeks later, the same problem happened again on February 19, 2022 I was informed, I needed two plugs replaced. The plugs were replaced. This time it wasn-??t two weeks before the same thing happened again. Warning lights displayed: check HEV system, check Hybrid System, battery and engine lights are on. Car doesn-??t accelerate over 15 mph. This vehicle has had several recalls, which I am told all recalls check out fine. No one can find a reason why the HEV, battery and engine lights are on. In the meantime, I-??ve purchased a battery, spark plugs, rented a car, spent almost $1000. This vehicle is hazardous and an accident waiting to happen. There has been at least a few engine and electrical recalls. I don-??t understand why the car is passing the recalls, but exhibits the problems mentioned on recall. I feel like the dealership is waiting for my engine to fall out of warranty. Either the mechanic or machine isn-??t fully operational. I don-??t want to be on a freeway the next time my vehicle stops and have an 18 wheeler or other vehicle run into me.

- Schertz, TX, USA