2006 Hyundai Sonata: engine stalls while driving

Filed May 25, 2025 · Engine, Transmission · WI

I am filing this complaint regarding a serious engine issue with my 2006 Hyundai Sonata equipped with a 2.4L GDI engine. My vehicle experienced [engine knocking, stalling, and then seized up indicating complete Engine failure] without warning, posing a potential safety hazard while driving. The issue appears to be identical to the known manufacturing defects that Hyundai has acknowledged in its recall of 2013–2014 Sonata models with the same engine Class Type. Although my vehicle is not currently included in the official recall “ SONATA ENGINE RECALL CAMPAIGN it contains the Theta II MPI Engine which constitutes and Further solidifies proof of the ongoing Manufacturing Defects of Theta Model Engine design and exhibits the same symptoms of sudden engine failure. This raises concerns that the defect may affect a broader range of model years than Hyundai has acknowledged. I urge the federal safety agency to investigate this issue and determine whether the scope of the current recall should be expanded to include earlier model years such as 2006. The defect creates a significant safety risk to drivers and passengers, and Hyundai should be held accountable for all affected vehicles—not just those produced within a narrow window.

Filed Jul 31, 2019 · Driver assistance, Electrical · 72,030 miles · PA

Car stalled and locked up three times while driving on a city street. Had the car towed to the hyundai service center and was told it is the ABS control module that is malfunctioning. The ABS module recall should have been expanded as I never had any problems with this vehicle until now.

Filed Apr 29, 2016 · Electrical, Engine · 85,000 miles · IL

My sonata 3.3l v-6 engine with what appears to be a very common and dangerous problem. This vehicle seems to begin stalling and slamming into 3rd gear fail safe mode, luckily I have not been rear-ended due to this yet! I have read up extensively on this and found many with the same complaint on www.carcomplaints.com website. It appears many dealerships are aware as they have had vehicle in to be problem solved with what appears to be an electrical problem more so than a mechanical problem. After having my car into 4 different shops including a dealership the first time it happened with no fix and only a 'if we can't replicate the problem we can't fix it' response I get mad. We have ruled out everything possible; transmission, engine, relays, etc. For 4 months it has been in and out of shops trying to diagnose the problem. Which is happening so often now it is not safe and I am having to take out a loan to try and buy a new care. I cannot trade this in due to the problem. When it is running it runs great, until it slams into 3rd gear with no warming and you loose all acceleration or it dies completely. You can shut it off and restart it and it runs as if nothing happened, until it stalls again. The last mechanic having verified everything he was told to check has determined it must be in the computer. Some individuals said early on they had the computers replaces (at a big cost) only to have it happen again. My car is 10 years old and only has 118,000 miles on it. I hate having to get rid of this car but there is no way it is safe to drive in this condition. Hyundai seems to be ignoring this complaint as no recall has been issued and no help in repairing the problem. Too many cars at the aprx mileage with the same problem and leads me to believe a recall is in order or financial reimbursement for the months of repair to fix it should be made. [xxx] information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).

Filed Feb 3, 2016 · Engine · 40,000 miles · FL

On lambda/lambda ii mpi series engines, engine oil can leak onto the alternator, which could affect charging system function and potentially cause the engine to stall and not restart. This would result in a loss of motive power as well as affect power braking and power steering system function, which would unexpectedly increase steering and brake pedal effort, potentially increasing stopping distances and the risk of a crash causing injury and/or damage to property. Every make/model of vehicle that has this engine has oil leaks on the alternator and other critical components (I've replaced 3 alternators so far! ~$200 each! + labor!!!) yet only a certain year of the "vera cruz" received a recall because the cost to hyundai would be higher to fix this issue on all affected vehicles (azera, sante fe, and my sonata etc. Models)

Filed Sep 29, 2015 · Engine · 96,500 miles · PA

At approx. 79k miles, when vehicle was turned on you could hear a mild knocking noise, and then it would fade. Took to dealer they could not identify the problem. At approx. 96k miles vehicle was driving on highway and vehicle shut off. Could not restart. Towed the vehicle after wards vehicle started up and knocking noise got louder. The noise is now on all the time and has a cyclic knocking noise from the engine. Advised manufacturer of other problems with vehicle in july of 2015. The engine stall happed in mid aug of 2015. Had vehicle diagnosed on aug 27, 2015. I have uploaded that diagnosis. Dealer advised possible metal debris, but said I would have to pay addistional fees to determine the cause. The diagnosis states the same problems as the federal safety agency campaign number: 15v‑568 and hyundai campaign # 132. Loud tapping noise when running coming from bottom end rod. Need engine replaced. This was documented before the news broke out about the engine recall.

Filed Sep 14, 2015 · Engine · 106,000 miles · CA

Tl* the contact owns a 2006 hyundai sonata. The contact stated that while driving at 35 MPH, the engine warning light illuminated. The contact stated that the vehicle made an abnormal noise and the engine stalled. The vehicle was towed an independent mechanic where it was diagnosed that metal was in the oil. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 106,000. Updated 11/18/15*lj

Filed Mar 20, 2015 · Engine · 123,354 miles · NC

Tl* the contact owns a 2006 hyundai sonata. While driving 25 MPH, the engine stalled and the check engine warning indicator was illuminated. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 123,354.

Filed Feb 14, 2015 · Electrical, Engine · 111,907 miles · WA

Oil leaked from valve cover onto alternator. Engine stalled and left me stranded on rural mountain road. Finally got towed home. Mechanic says it will cost nearly $1000 to replace valve cover gaskets and alternator. Car is 2006 hyundai sonata with 3.3l 6cyl engine. I believe that this is the same engine and same problem that prompted the recall on 2007 hyundai veracruz the federal safety agency campaign number: 14v415000. The existing recall should be expanded to include more hyundai vehicle models that exhibit the same problem.

Filed Mar 5, 2014 · Driver assistance · 100,000 miles · FL

Tl* the contact owns a 2006 hyundai sonata. The contact stated that while driving approximately 45 MPH, the vehicle stalled intermittently. The vehicle would also accelerate and decelerate independently. The failure was recurring. The vehicle was included in the federal safety agency campaign id number: 05v316000 (electronic stability control). The vehicle was taken to an authorized dealer, who replaced the brake switch but the failure recurred. Additionally, the warning lights for the air bags, brakes, and battery were illuminated. The vehicle was taken to an authorized dealer, who diagnosed that the electronic stability control module and the sensor box to the ESC would need replacing. The vehicle was not repaired. The contact later noticed that the vehicle was smoking as it stalled. The manufacturer was notified of the failure. The approximate failure mileage was 100,000.

Filed May 27, 2013 · Electrical, Steering · 85,000 miles · KS

On two occasions, while driving in the rain, the battery light turns on, the steering wheel locks and the car stalls. Once I stop and turn the car off and back on, it runs as normal. On three other occasions, the battery light will come on for a couple of minutes, steering wheel locks, but car still drives, then the seatbelt light flashes on for may 20 seconds, then all lights go off and the car drives back to normal. I have taken my car to the hyundai dealership on two occasions and they are unable to "duplicate" the problem, so no fix can be performed.

Filed Apr 3, 2012 · Electrical · 55,000 miles · TX

Ignition key does not turn at all. Steering did not lock up initially, but when I tried to turn the key along with steering, it got locked....even after that steering would move a bit (not really stalled). Called aaa, couple of guys came over, tried to unlock the ignition by putting it in neutral and moving(shift override), but of no help. Called one of my friend who has a hyundai sonata as well, he said it happens often on his car...he tried for 10-15 mins...got the magical combination of brake, steering and ignition key turns and it finally worked. Did a search on internet and apparently its not uncommon for hyundai's at all. Hate to spend money for a design flaw from the manufacturer, especially as the car is only 5-6 years old.

Filed Sep 9, 2011 · Fuel system · 67,000 miles · CO · fire

Tl* the contact owns a 2006 hyundai sonata. The contact was driving approximately 10 MPH when the vehicle stalled. The vehicle would not restart and was towed home. An independent mechanic examined the vehicle and stated that the fuel pump was burned, causing the failure. The vehicle was not repaired. The manufacturer was made aware of the failure and offered no assistance. The failure mileage was 67,000.