2011 HYUNDAI SONATA Engine Problems

Car spontaneously caught fire while turned on. First smoke started coming from under the hood. Within three - five minutes, the car erupted in flames followed by a minor explosion that burned more than half of the car causing a total loss.

Oil keeps drying out and keep smelling antifreeze

On July 19 I started my car and there was a loud knocking noise coming from underneath my hood when I lifted the hood the knocking sound was coming from my engine I’ve had this car for 3 years never had any problems or issues at all with my car not sure what’s going on or if there are any recalls on parts for my car

The car has throw a rod in the engine. The safety of my dog and I was okay. And the safety of other drivers were good also. Yes it was inspected and there were no lights on when the car went down.

The contact owns a 2011 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormal sound and while attempting to turn, the vehicle hesitated. The vehicle was restarted but made the abnormal sound and stalled. The contact smelled smoke upon veering to the shoulder of the roadway. The contact exited the vehicle and discovered a liquid substance coming from the under carriage. The vehicle was towed to an independent mechanic and the contact was informed that the engine was cracked, and the contact was informed to take the vehicle to the dealer for service. The dealer was not contacted. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 174,000.

Driving from home to a shopping center, approximately 25 miles, I did not observe any unusual noises nor smoke nor dashboard warning lights. Once I parked and shut off the engine in the shopping center parking lot, I observed a small amount of thick, white smoke coming from the hood on the front passenger side of my car, and then the smoke abruptly stopped. I was concerned enough that I decided I should probably move my car to a parking space a bit further away from the store I planned to go into in order to be further away from other vehicles. I started the engine again, and once again, no smoke nor unusual noises nor warning lights. I drove around to the next parking aisle and parked in a different parking space. Once I turned off the engine again, the smoke then immediately started from the right side of...

The contact owns a 2011 Hyundai Sonata. The contact stated that while her daughter was driving at approximately 80 MPH, the brake pedal was depressed but was stiff and difficult to depress. The contact stated that her daughter accelerated to steer the vehicle away from slower traffic. The contact stated that her daughter depressed the accelerator pedal however, the vehicle failed to respond and started losing motive power. The contact stated that her daughter was able to steer the vehicle to the side of the road and stop the vehicle. The contact stated that the check engine check brake and several other unknown warning lights were illuminated. The contact had the vehicle towed to an independent mechanic. The vehicle was not diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 120,000.

My vehicle has the flashing engine light on. The code that comes up is the P1326, causing it to go into “limp mode” making it unsafe to drive. My local Hyundai dealership in Vandalia, Ohio and they only reset the code, giving me the impression they actually FIXED the issue. Five days later, it is doing the same thing. I have asked multiple times for a loaner vehicle while they work on mine, I have been told that is not possible due to the fact they have not found out if my vehicle has a warranted covered issue. I had the engine replaced before in 2019, now I’m having more issues. More assistance should be provided

The engine locked up on the highway My daughter got over to the breakdown lane . We had it towed to a garage and was told the engine locked up — we called Hyundai and got the run around. So we moved on and paid for an engine and got it installed . Then I have been reaching out to see if we could get some type of reimbursement for motor and labor ( something — 91,000 miles when it locked up engine no good) But know I finally got through to a few different people and now they are telling me , because we didn’t go to a Hyundai dealer they won’t do anything. We bought a engine that was from Hyundai [XXX] And my first claim # from you is 11566045 this is HORRIBLE JUST LOOK FOR SOME HELP ON THIS THANKS INFORMATION REDACTED PURSUANT TO THE FREEDOM...

Engine seized at 82000 miles stranding me in the passing lane of Interstate 10. Was nearly hit by a truck.

Prior to my trip I checked all fluids, and all was good levels. Car was traveling on improved interstate at posted highway speed. As I was passing another vehicle my vehicle lost power and I was forced to cross lanes in traffic to get to shoulder. There were no prior warnings or lights before my vehicle lost power. I opened my hood and saw the radiator coolant boiling over in reservoir and the top hose was collapsed. Had the vehicle towed home. I checked and replaced the thermostat however found that the engine would not turn over and the starter failed.

Hyundai Theta II engine has known defects with excessive engine oil consumption. Numerous consumers have complained of this issue as it appears widespread to the entire line of Theta II engines. A recent class action has limited the scope of the recall but an easy search can see it impacts (or has the potential to impact) nearly all Theta II (six gen) engines from Hyundai. The issue is that the scope of the recall needs to be widened to cover others who are impacted who currently have no recourse. Many are facing the same situation, which can easily be found with a brief search online. [XXX] At this time the issue is the car stalling at unknown times, fire from oil being displaced in other areas and various other issues due to improper and unusual oil consumption. The best situation would be to force Hyundai to review and expand the...

The contact owns a 2011 Hyundai Sonata. The contact was informed of NHTSA Campaign Number: 15V568000 (Engine), and the vehicle was taken to the dealer for the recall repair; however, the dealer informed the contact that the knock sensor detection system (KSDS) software update and the recall repair had already been performed on the vehicle. The contact stated that a failure related to the recall recurred while driving. The contact stated while driving approximately 60 MPH, the vehicle stalled. No warning light was illuminated. The contact was able to get the vehicle to the shoulder of the highway. The vehicle was towed to the residence, where the contact was able to drive the vehicle again; however, the failure recurred several times. The vehicle was taken to the dealer, where it was diagnosed with a fuel pump failure, and an oil leak. The vehicle was not repaired. The manufacturer was made...

I changed my oil on Saturday and it now has no oil. The engine light started flashing and my engine seized up. Now it does not run at all. It turns on halfway where the dashboard turns on but the motor/engine does not turn. It appears to be white smoke coming out of the car after trying to turn it back on.

Vehicle stalled while driving

November 2021 I was coming home from work when the engine started making a horrible noise. I limped the vehicle home and contacted Hyundai and was told to bring the vehicle in to the dealership. It was stated that Hyundai had closed the campaign on the knock sensor the week before bringing it in, but they would try. About a month later the dealership called and said that I needed to come get the car due to they were selling the dealership lot. I towed it there and towed it home and have continued to peruse actions to correct the lifetime warranty that is offered due to shavings left in the engine when manufactured. Found another recall that said my vehicle is affected by this recall and to scheduled a service appointment. When delivering the car back off yesterday at the new dealership that took over, I was informed that...

The contact owns a 2011 Hyundai Sonata. The contact stated that while the vehicle was idling, the vehicle shuddered and then lost motive power. The contact shifted the transmission into neutral(N) while stopping or reversing to prevent the vehicle from shutting off. The check engine, air bag, and fuel level warning lights were illuminated. The vehicle was taken to an independent mechanic, who determined that the engine was faulty and related the failure to NHTSA Campaign Number: 15V568000 (Engine). The vehicle was not repaired. The vehicle had previously been repaired in 2015 under NHTSA Campaign Number: 15V568000 (Engine); however, the failure recurred. The contact stated that he did not own the vehicle at the time of the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 150,000.

Engine leaks/burns oil too frequently. Every other week I’m continuously having to put oil to refill levels. Also electrical system for turn signals is always going in and out. Sometimes it works and sometimes it doesn’t. Safety hazard because other vehicles can’t tell that I’m turning.

The contact owns a 2011 Hyundai Sonata. The contact stated while driving approximately 45 MPH, the instrument cluster started showing numerous warning lights. The contact stated that the vehicle was losing motive power. The contact depressed the accelerator pedal; however, the vehicle failed to respond as needed. The contact stated that the vehicle stalled and lost power steering and braking functionality. The contact was able to coast to the side of the road and turned off the vehicle. The contact started smelling a burning odor in the cabin of the vehicle and saw smoke coming from under the hood. The contact exited the vehicle and opened the hood, and a large cloud of smoke was released. There were no flames, but the contact smelled the odor of melted plastic and rubber. The Fire Department was called but the vehicle did not catch on fire. The contact had the vehicle towed...

Oil consumption excessive. I've been doing my monthly and annual maintenance engine ticks. I've added oil every 2 weeks every 200 miles.

Engine uses oil excessively, stopped suddenly on highway, Hyundai America refused to authorize oil consumption test car is now in limp mode

We bought this used car for my daughter, then I found out there was issues with the engine. We had it for 6 months and the engine seized as she was driving it on the highway . She got to pull off to the side of highway . We had it towed to our mechanic, hoping it was the battery or something simple . He told us it was a blown engine and there was PLENTY OF OIL AND ANTIFREEZE IN IT . HE THEN TOLD US THE HE LOOKED AT IT AND COULD NOT BELIEVE IT WAS BLOWN , WITH THE OIL STILL IN IT . WE had to buy a new rebuilt engine and pay for the mechanics time . There has been issues with this engine’s. How do we get the engine payed for , with the problem they have . This wasn’t a neglect part on...

My 2011 Hyundai sonata Engine failed in April 2023. Was towed and the engine was replaced due to the recall. Got car back November 4th 2023. Fuel gauge never went out and after driving about 3 miles the engine light came on. Dec 13th was driving on highway and felt like the car was going to fall apart. Able to get off highway only for the car to die. Every light including some I have never seen came on. Was stuck on the side of the road with my ESA dog in 28°. Temp. For over an hour with no power and hazards starting to dim. I'm disabled and had no help. Local PD towed vehicle and drove me home. Car sat at tow yard collecting fees as I was waiting for the dealership to call me back. Finally got help with paying the tow yard company only to be...

I have a problem that Hyundai is known for Hyundai oil consumption. I bought my car into a nearby shop for service because my car shut down while driving on the highway. The shop advised me the engine was full of oil.

Code p1326; vehicle equipped with YELLOW diptick

Very high oil consumption. Tested with dealer and came out at 1qt/1 mile. Knok sensor detection system was installed while in warranty but they won't replace the engine.

My car is at the Hyundai dealership now for almost 3 months to get 14 recalls done and also there was a lawsuit a few years ago that the engine was getting still an oil into the engine. My car was affected by that I just bought the car in 2021 I did not know about it. I’m needing them to swap out the engine as well and it’s been almost 3 months And it’s all recalls that are supposed to be done with my car 14 of them including the engine and the engine is part of the settlement that was done a few years ago Number was ran and it was a part of it, and it had me select the dealership I and that’s where I chose for it to go and it was supposed to be switched out for free

I was driving in the middle lane of the NJ parkway going 50mph and the car stalled. I was able to coast to the shoulder and have the car towed to my mechanic. Today I was information the engine is dead and I should contact the dealer. This a replacement engine as the first engine died while driving when the car had 70,000 miles. Hyundai replaced the engine but at 90,000 miles the replacement engine died. I'm wondering if you have reports of this happening. unfortunately the class action suit will not cover my 2011 Hyundai Sonata with 160,000 as it is over the years and mileage of the warranty. The warranty did not start at the time and mileage of the replacement engine but at the time of orginal purchase.

10/31/23 Car lost power on freeway. Dash lit up and stalled, I took picture brought to dealership. Could not find any issues or codes. 11/12/23 Driving on Pacific Coast Highway car started making knocking/ticking noise. Pull off to a side street and car hesitated and check engine light came on. Had it towed to dealership. Still waiting on assessment. Was told will take 2-3 days due to backlog. Clearly a known Engine issue dating back to recall campaign 132 Engine/inspection/replace. (I brought into dealership on 2/9/16 to perform checks on the 132 campaign - shows completed).

The contact's daughter owns a 2011 Hyundai Sonata. The contact stated while his daughter was driving 40 MPH, the engine seized. The contact's daughter was able to pull to the side of the road. The vehicle failed to restart and was towed to the dealer, where it was diagnosed that there were metal shavings in the engine. The dealer informed the contact that the engine was replaced with a rebuilt engine. The contact stated while his daughter was driving 50 MPH, the vehicle shuddered, and the engine seized a second time at 96,000 miles. The contact's daughter was able to pull to the side of the road. The vehicle was towed to the dealer, who informed the contact that there was no oil in the vehicle. The dealer performed an oil change on the vehicle, and the vehicle restarted. The check engine warning light was illuminated. The failure recurred a...

I started to get engine knocking noises about 6 months after the purchase of the used car. This knocking noise began to increase in frequency as I pressed my foot on the accelerator and the car would not accelerate when I pressed my foot on the gas pedal. Then the car would shut down in the middle of traffic. After waiting about 30 -45 mins, I would try to start the car again and would start and initially run as long as I drove less than 20 miles/hour the knocking noise level would decrease but if I went above 15 - 20 mph the car would shut down. The check engine light and engine oil light would come on. So I would check the engine oil level oil using the dip stick and it showed oil levels were ok. On October 10 2023 while driving to Walmart the engine turned...

The contact owned a 2011 Hyundai Sonata. The contact stated that while driving at 35 MPH, both her and her passenger smelled a burning odor inside the vehicle's cabin. The contact then noticed that flames were coming from the front end of the vehicle. The contact immediately pulled over and both her and her passenger exited the vehicle. As the contact waited for a fire truck, the vehicle burned to the ground. No injuries were reported and a police report was filed. The vehicle's remains were towed to an independent tow yard. The manufacturer had yet to be notified of the failure. Upon investigation, the contact discovered that her vehicle was apart of NHTSA Campaign Number: 18V934000(Engine, Fuel System, Gasoline). The vehicle was destroyed. The failure mileage was unknown.

My car had engine seized while driving on the road with no warning light prior nor other mechanical issues. When the engine seized, all mechanical powers are have lost power including brakes and power steering in which have almost caused a near accident at an early morning rushed hours. The vehicle's odometer reading at 120,836 and was up to date on all normal tune up performances. Other issues that have arise after purchasing the car are: warning light came on for airbag, real loud clunking sound on roof when hitting a bump on the road and engine will not start because of fuel line system issues. Cruise control had also stopped working after a year of purchased.

We bought this 2011 Hyundai Sonata from a local dealer in August 2021. The engine failed in March of 2022 (smoking and then died while my daughter was driving the car). We paid a local mechanic to replace the engine with another used engine, not knowing the engine issues associated with Hyundai Sonata models, specifically the 2011 year. The replaced engine died in July 2023, about 5 months later. The warranty we had on the replaced engine was denied to due to a heat tab melting. The first engine (to us, we do not know if was replaced during the 2016 recall) and now the replaced GDI engine have both died. The engine should not be on the market and we contacted the local Hyundai dealer to see if they could help us out. They denied service because we replaced the engine ourselves with another mechanic. This is a critical...

The contact owns a 2011 Hyundai Sonata. The contact stated that the vehicle had been consuming an abnormal amount of engine oil. The vehicle was taken to the dealer. The failure was not duplicated and only noted as consuming unusual amounts of engine oil. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 150,000.

The contact owns a 2011 Hyundai Sonata. The contact stated that while driving at various speeds, the check engine warning light was flashing off and on with a knocking sound coming from the engine. The vehicle was towed to the local dealer who installed a knock sensor to the engine, but the failure persisted. The cause of the failure was not yet determined. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 98,000.

Engine failed while on interstate at 65 miles per hour. Was almost rearended before I could coast it to the side of the road. Tried restarting it and engine began to smoke. Had it towed to a mechanic and then home. Mechanic stated that engine had seized. Received no warning lights before failure.

The contact owned a 2011 Hyundai Sonata. The contact stated that he sold the vehicle to a lady yesterday, and while the lady was driving with her daughter at an undisclosed speed at around 9:00 p.m., the vehicle stalled and the engine caught fire. No warning lights were illuminated. The fire department extinguished the fire. The vehicle was not towed. There were no injuries. No police report was filed. The vehicle was not deemed totaled by the insurance company. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 140,000.

The contact owns a 2011 Hyundai Sonata. The contact stated while driving 55 MPH, the check engine warning light illuminated, and the vehicle stalled. The contact was able to veer to the side of the road. The vehicle failed to restart and was towed to an independent mechanic, where it was diagnosed that the engine had seized and needed to be replaced. The vehicle was not repaired. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 175,000.

- Code P0304 Engine- Metallic debris have been detected upon inspection and it was declared that the debris have not been completely removed near the engine crankshaft this caused oil flow to be restricted through the connecting rod bearings, causing connecting rod damage, also there is a worn out connecting rod bearing causing this vehicle to have a loud knocking noise possible engine failure. Due to this Malfunction it caused the following Code - Code P0304- Vibrations indicating excessive connecting rod bearing wear.

My engine is stalling out. It shuts off while driving. And the engine oil lamp light keeps flicking on and off. Definitely something wrong with the engine.

On June 28th 2023, while driving on Route80-West near Parsippany, NJ my 2011 Hyundai Sonata GLS seized on the highway. I was forced to veer to the shoulder as the oil light flashed on, followed by multiple lights flashing on with immediate engine failure. I waited almost 3 hours for a tow to arrive late night, where many vehicles continued to speed past dangeriously close to my seized car. Even with my hazard lights on, this is not a safe situation a driver should be in. Having an engine stall is especially dangerous when traveling highway speeds. I assumed my engine stalled due to the widely known recall issue that Hyundai Theta-2 are susceptible to. After having my Sonata towed to Towne Hyundai at Denville, NJ- they informed me that it was not a valid engine recall but that my oil completely drained, destroying my engine in the process. They...

The contact owns a 2011 Hyundai Sonata. The contact stated while driving at an undisclosed speed, the vehicle lost motive power. The contact pushed the vehicle to the shoulder of the roadway and attempted to jumpstart the vehicle however, the vehicle failed to start. There was no warning light illuminated. The vehicle was towed to the dealer but was not yet diagnosed or repaired. The contact related the failure to Service Campaign Number: 953 (Engine) however, the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was 143,000.

I received a code through my ECM reading P1326 or a knock sensor code. They “diagnosed” my vehicle and gave it back to me after just replacing the knock sensor. After driving it for a week, the code came back and said it just needed an update. Then, the same thing happened, so they rediagnosed the vehicle and turns out there’s a hole in my engine but didn’t mark it under the recall warranty because the hole in my piston wasn’t due to a rod bearing issue. My problem is the Hyundai dealership giving me back a vehicle that is very unsafe to drive not once, but three separate times. For all I know, my engine could have seized any moment and the dealership wouldn’t have taken accountability for anything in regards to having to transport back and forth to their offices.

On June 17, 2023, while during this car suddenly it started losing speed, pressing accelerator did not help. I stopped the car and restarted, it drove for another 400 yards and stopped again. I checked with my obd2 and it gave a code of misfiring third cylinder. Car had a recent replacement of engine under warranty by Parks Hyundai of Gainesville as previous engine had started smoking in 2011. My recent calls to the dealership did not result in any return call from them. Car is standing at my house for the past two weeks. I am really SCARED to drive this car. Also fed up with the dealership which does not care even to return my calls.

My car caught on fire while I was driving it. I was put at risk of burning, and being struck by other vehicles as I exited the burning car. Warning lamps came on just as another motorist alerted me to flames coming out of my car. Fire Department and Highway Patrol responded. Police report was filed. Insurance has looked at the car and declared it a total loss. Engine was replaced 7 months ago, under a recall for the Theta II 2.4 engine

Took vehicle in for recall due to check engine light flashing on March 26,2023 .Received a call from dealership that car was ready March 28,2023 upon driving home car overheats. Call dealership to relay problem was advised to bring vehicle back. Had vehicle towed back to dealership at my own expense. Two weeks later I get a call stating that it was the radiator and that they would fix it and get it back to me . Two weeks after not hearing from dealership I called do an update to my surprise now it the engine is bad. So I ask the service manager where do we go from here. He proceeds to tell me that it’s one of those things where the recall didn’t help but hurt my engine. Then he proceeds to say I would have to give the dealership $2,000 dollars to fix the problem they caused....

as i was drivim back home from engine started a smoke green, smelling like burn wires electricity ect. the shut off , i ran out the car. in the middle of traffic. i contacted mechanic , has inform me that the engine has siezed .will no longer turn on. and maybe some ECM or electrical but dat the engine is locked.oil looks very clean radiator fluid clean aswell. what could have caused this no idea. im scare to try to start the car

Engine stalled while merging onto interstate. Mechanic friend looked at motor and believed the motor seized even after motor recall was ok'ed, repaired.

My engine stop suddently and it wont start it seems like its stuck