2017 Hyundai Sonata: fire, smoke or burning smell

Filed Oct 22, 2026 · Engine · 180,000 miles · FL

The contact owns a 2017 Hyundai Sonata. The contact stated that while driving at 65 MPH, there was smoke coming from under the hood, and the vehicle lost automotive power and the vehicle was barely moving. The contact was able to drive the vehicle to the residence at a slow speed. The vehicle was taken to an independent mechanic, and the contact was informed that the engine was consuming an excessive amount of engine oil and that there was no oil in the engine. The contact stated that the vehicle had received an oil change one week prior to the failure. The dealer was contacted and made aware of the failure. The failure mileage was approximately 180,000.

Filed Dec 29, 2025 · Engine · IL · fire

My 2017 Hyundai Sonata Sport Limited 2.4 has a known engine defect causing excessive oil consumption. The vehicle was at an authorized Hyundai dealership for the oil consumption test and had been approved for a new engine replacement. Prior to the repair, I completed $2,300 in maintenance, specifically an oil combustion cleaning and spark plug replacement, which the dealership said was required to perform the oil consumption test. While the vehicle was in the dealership’s custody, it caught fire on 12/19/2025 at World Hyundai Matteson. No one was injured, but the car was destroyed. This occurred while the vehicle was under warranty repair, creating a serious safety risk. I am submitting this complaint to document the fire and the associated safety issue with this engine defect.

Filed Feb 12, 2025 · Engine · 90,000 miles · FL · fire

The contact owned a 2017 Hyundai Sonata. The contact stated while on travel, the contact stopped at a local gas station. The contact stated while the vehicle was parked and unoccupied, the contact was informed by the store attendant that the vehicle was on fire. The contact noticed the fire came from under the hood compartment and the vehicle was engulfed with flames. The contact stated an off-duty police officer and the store owner attempted to extinguish the fire with fire extinguishers, however, they were unsuccessful. The fire department was called, arrived on the scene, and extinguished the fire but the vehicle was already consumed by the fire. The vehicle and all properties in the vehicle were destroyed in the fire. The vehicle was towed to a local tow yard. The vehicle was condemned to total loss by the insurance company. A police report was filed. In addition, the contact stated that 75 miles before the fire occurrence, the vehicle was started, and the contact noticed white smoke exiting from under the hood compartment. The contact interpreted it to be frost from the start of the engine being cold. The dealer was made aware of the failure. The manufacturer was not made aware of the failure. The failure mileage was approximately 90,000

Filed Feb 3, 2025 · Electrical, Lights · CA

I keep having both my low beam headlight bulbs burning out and one of them started catching on fire. The driver side caught some type of electrical issue causing it to start smoking and eventually melted the connector and lightbulb housing

Filed Dec 17, 2024 · Engine · TX

The contact owns a 2017 Hyundai Sonata. The contact stated while driving at an undisclosed speed, the vehicle stalled with the check engine warning light illuminated. Additionally, there was white smoke coming from the engine compartment and the exhaust. The contact retrieved DTC code: P0420 for spark plug failure. The spark plugs were replaced; however, the failure reoccurred. The vehicle was diagnosed with spark plugs and catalytic converter failure. The spark plugs were replaced. The contact stated that the spark plugs looked burned. The vehicle was taken to an independent mechanic where the catalytic converter was replaced; however, the failure reoccurred. The contact stated that the vehicle had been consuming an excessive amount of engine oil for almost two years. The contact stated that engine oil was added every 600 miles of driving. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The dealer was made aware of the failure and provided the contact with the cost for a diagnostic test. The contact declined to pay for a diagnostic test. The manufacturer was made aware of the failure and a case was filed. The failure mileage was unknown.

Filed Nov 23, 2024 · Engine, Seat belts · FL

The drivers seat belt does not engage. The engine has been burning oil, misfiring, and even after thousands in repairs was returned to me by the dealership with continued misfiring. When returning the car back to the dealer service center days later after Hurricane Helene, the car continued to misfire and became so overheated the engine light was flashing. Upon calling for a tow, I attempted to raise the hood for the driver to locate the car, but the hood was so hot it burned my hand. The engine was so hot, I believe it was about to catch fire and would have had I not been able to pull over so quickly. Had I been driving on the Interstate, I have no doubt this car would have been on fire within minutes.

Filed Nov 22, 2024 · Engine · 90,500 miles · OH · fire

The contact owned a 2017 Hyundai Sonata. The contact stated while the vehicle was parked, the contact noticed smoke was coming from the engine compartment. No warning light was illuminated. The contact exited the vehicle and discovered that the engine compartment was on fire. The vehicle was not occupied during the fire. The local Fire Department (Cuyahoga Heights Fire Department) came and extinguished the fire; a Fire Department report was filed. A police report was not filed. The vehicle was not drivable and was diagnosed as totaled. The manufacturer was notified of the failure. The failure mileage was approximately 90,500.Â

Filed Aug 23, 2024 · Engine · 83,000 miles · NY · fire

The contact owns a 2017 Hyundai Sonata. The contact stated while the vehicle was parked and turned off, there was smoke coming from the vehicle. The contact stated the engine compartment had caught on fire. The contact’s spouse extinguished the vehicle. The local fire department was not contacted, and a report was not filed. however, a cause for the failure was not yet determined. A Police report was not filed. There were no injuries sustained. The vehicle was towed to an independent mechanic. The vehicle was not diagnosed or repaired. The dealer was not contacted. The manufacturer was not made aware of the failure. The failure mileage was approximately 83,000.

Filed Mar 8, 2024 · Engine · FL

I purchased my 2017 Hyundai Sonata brand new. At only 37,000 miles, it literally ran out of oil without any prior warning on [XXX], stranding me on the side of the road. The Hyundai dealership has required two oil consumption tests and a combustion chamber cleaning, but the problem continues. This excessive oil consumption issue is well known and well documented by thousands of other Hyundai owners whose vehicles have a Theta II 2.4L engine. Hyundai requires the engine to completely fail before it qualifies for an engine replacement. A friend of mine's Hyundai Sonata caught on fire due to this very same issue while going over the Sunshine Skyway Bridge in St. Petersburg, FL in June 2023. If that isn't a safety issue, I don't know what else is. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jan 24, 2024 · Engine, Fuel system · CA

I'm reporting the growing concern of my engine having rod knock or seizing . It has been burning excessive oil since I bought it at 80k miles. I have reached out to hyundai and they have denied me any help as the vehicle is past their 10y/100k mile warranty. Although my vehicle has extended warranty up to 150k miles for engine seize or rod bearing failure through them. There's no warning lamp but the piston slap noise is getting louder, I'm scared this problem might leave my family and I stranded in the middle of the night. Also scared that it can catch on fire due to almost running with no oil. I have to do my oil change every 1200 miles, instead of 3000. corporate hyundai has denied any type of assistance, I went to a dealer to get it checked out and they insist without proof of oil changes there's nothing they can do, i do them myself on all my cars and I'm VERY on top of my maintenance. I have scheduled an appointment 02/07/2024 to try and diagnose the growing issues with the engine itself.

Filed Nov 19, 2023 · Engine · VA

My Hyundai engine is burning through oil like crazy. Only at 84,000 miles, and everytime I get my oil changed (every 3,000) it is completely dry. This is a known problem with Hyundai, and there needs to be a recall on these vehicles. It is costing me a fortune, and the risk of having my engine fail/catch on fire is not something I want to be worried about everytime I drive my vehicle. Something needs to happen to get this issue resolved.

Filed Mar 29, 2023 · Engine · NV

On February 11, 2022, I took my car to the dealership because my oil light came on. I was told I had no oil in the engine. So they said to get an oil change and that would take care of the problem. Nope. It has not taken care of the problem. My car burns oil. I have taken it to 2 different Hyundai shops. One just kept changing the oil and never submit the paperwork until I got really upset about bringing my car back a month after having the oil change. No help. I have called Hyundai customer service no help at all. In January 2023 I went to start my car and it started jerking and shaking and spitting out oil threw the tailpipe. The car would not move. My garage door was covered with oil. I had it towed to another Hyundai dealership they kept the car for a week and told me that it needed a new spark. New wires because it was covered in oil. I'm out of $3000.00 including all the oil changes and the work that was done. Oh yeah, I was told to bring the car back after 1000 miles. I brought it back in March 2023. They started the oil consumption test. I was told to bring it back on that Thursday the 5th. I took my car back and the dealership would not accept my vehicle. Wouldn't let me leave it for my service guy nothing. I called the next day for my service guy and they said he didn't come in today. I even filed with the BBB Auto Line. I found that information in my 2017 owners handbook supplement did not help closed my case. They didn't even call or asked me any questions. No help. Stuck with a car I have no confidence in. I don't know if the engine is going to blow because the oil gets low or if it's going to sketch on fire because theirs no oil in it.