Other Fuel System Problems of Hyundai Tucson - part 2

My car on the expressway wouldn't go over 40 and this was happening intermittently so my car was unsafe. No check engine light but it was just at the dealership for an oil change. Has. Been an ongoing problem since I bought the car! smells, gets hot!.

See all problems of the 2018 Hyundai Tucson 🔎.

All four gdi injectors failed resulting in the car completely stopping on the highway.

See all problems of the 2022 Hyundai Tucson 🔎.

Fuel injectors failed after 4 years of having the car. This led to misfiring, shaking of car, and complete shut down of car within 10 seconds of starting the vehicle.

Driving on interstate 64 in southern indiana approximately 70 mph in left lane when engine died without any warning signs. Was able to safely maneuver vehicle to shoulder without incident. Paid to have the vehicle towed 60 miles to Hyundai dealer. Dealer stated engine failure was due to injector issue known by Hyundai as a technical issue was released.

I've taken the vehicle to several mechanics for engine-idling when turning, going up-hill. I've purchased new plugs, lines, engine cleaners, no-one can figure it out. The oil now has engine shavings even though the oil was recently changed. The car broke down today.

See all problems of the 2017 Hyundai Tucson 🔎.

As I was driving I was stopped & told my car was on fire. I immediately stopped & hopped out & less than 30 seconds later half of the hood caught heat/fire & flew into the windshield breaking it. At least half the car is burnt to ashes.

See all problems of the 2016 Hyundai Tucson 🔎.

What component or system failed or malfunctioned, and is it available for inspection upon request? cylinder 4 fuel injector failed while driving 70 mph down the highway. The dealer or manufacturer will have the faulty parts for inspection. How was your safety or the safety of others put at risk? loss of power and acceleration put me and others at risk; I could not go over 40 mph on the highway, the car was lurching the entire time. Inattentive drivers being the main concern, with low speeds and driving/sitting still on the shoulder of the road. Has the problem been reproduced or confirmed by a dealer or independent service center? yes, the dealership I had it towed to confirmed the injector failed. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? the manufacturer is aware of the issue. There is a TSB issued that asks the dealer to send the faulty parts back to them. They are fully aware of the issue and are choosing to replace faulty parts with equally faulty parts. The dealer told me the replacement injectors “are not supposed to have the factory defect” but confirmed they are the same parts. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? yes, the engine light came on and I lost power/acceleration simultaneously.

Two separate times over the last year I’ve had a fuel injector go bad after using the auto start feature in semi colder temperatures. I’m not sure if the auto start has something to do with it but seems to be a cold weather issue.

Vehicle propulsion system failed, as a result vehicle rolled down an inclined driveway in to the street and was stuck in the middle on the street in traffic. Vehicle had started normally, was able to shift into drive, no obvious warning lights or error messages displayed. Vehicle would shift into drive/park/reverse as required but would not move. Upon shutdown an restart two warning lights were display but vehicle would still not move. Vehicle only had 168 miles on the odometer. Vehicle is a hybrid, engine was running and battery charged. Apparently the problem was a failed "over the air software update", this was corrected by dealer (see attached file). Safety issue is that the vehicle, 1 failed to display any error regarding a failed update, 2 failed to immobilize the vehicle allowing to move in an unsafe state, 3 failed to notify owner that updates had been done, 4 proceeded with an over thew air update that could potentially place the vehicle in an unsafe state.

See all problems of the 2025 Hyundai Tucson 🔎.

Engine was replaced but car kept sputtering only to find out the fuel injectors needing replacement.

The vehicle is experiencing excessive oil consumption and increasingly severe engine performance symptoms. The oil level drops rapidly between changes, but the loss is not due to external leaks. The engine burns oil internally, causing residue buildup and damage to other components — specifically the intake manifold and catalytic converter, which the dealer has now recommended replacing. These issues align with the symptoms addressed in Hyundai campaign 966 (engine monitoring / knock sensor detection system), which is intended to detect early bearing wear and related oil consumption defects. However, the dealership refused to perform the required campaign diagnostics (bearing inspection, ksds verification, and oil-consumption test) without charging a diagnostic fee. Even though the engine has not yet fully failed or entered limp mode, the excessive oil consumption is already causing secondary damage to emissions and intake components. If left unresolved, this can escalate to engine seizure, catalytic converter overheating, or exhaust-related fires due to unburned oil entering the converter. These are clear safety hazards that can result in loss of power, smoke, or fire while driving. Multiple Hyundai owners have reported identical problems — excessive oil loss, residue damage to emission systems, and dealer refusals to perform campaign 966 inspections. These patterns indicate a systemic engine defect that leads to downstream component failures, not isolated wear. Replacing the manifold or converter does not correct the root cause, as oil consumption continues after replacement and will likely damage new parts. The dealer’s refusal to perform the manufacturer’s required diagnostics and their attempt to charge for unrelated repairs prevent proper defect identification. This is a serious and ongoing safety issue affecting Hyundai Tucson and other models with the same engine family.

See all problems of the 2019 Hyundai Tucson 🔎.

My vehicle was purchased new and has less than 5100 miles on it. The screen and heads-up display randomly begin to glitch and then simply go dark. I can't see my speed, fuel or charge levels or any important data while driving. This has happened multiple times already. My vehicle is a 2025 model. Interestingly, Hyundai had the same type issue on 2024 models and issued a TSB to resolve this issue, but have not issued any repair for the 2025 models. This is a major safety issue.

It’s been three years now and I had “brake system failure” happened two times in 3 years. When traveling the brake system warning appears and while driving, and stopped at sign brake releases slightly and car would start to move unless I apply brakes firmly again. When slowing down at traffic lights holding the brake doesn’t bring car to complete stop. I had apply brake, slightly release and then apply again until car comes to full stop. I was told they need to replace ieb module and brake pedal module replacement. I checked in reddit and other platforms where users had seen the issue multiple times on their vehicles. Also had an issue with fuel system like replacement of egr valve which seems to be common on multiple vehicles.

My 2017 Hyundai Tucson limited 1. 6l turbo (with 7-speed ecoshift dct) has ongoing transmission problems. The vehicle hesitates, jolts, and sometimes fails to accelerate from a stop, which creates a serious safety risk when entering traffic or crossing intersections. The problem has been reproduced and confirmed by the Hyundai dealership in fairfield, CT. They diagnosed the transmission and recommended a complete replacement at a cost of over $7,000. This issue matches the defect described in NHTSA recall 16v628000 and Hyundai service campaign t1b, which involved the same 7-speed ecoshift dct in 2016–2017 Tucson models. However, my VIN was not included even though I am experiencing the exact same safety defect. No warning lamps appeared before the hesitation/judder began. The safety risk is significant because the vehicle can fail to accelerate as expected in traffic, increasing the chance of a crash.

Taken car to work, driving down highway check engine light come on with loss of power. Took to dealership reported cylinder number 3 fuel injector was stuck open. Replaced all 4 injectors. Found TSB for it.

While driving my car to virginia to see my daughter, the oil light came on in the middle of a highway, where the speed limit was 70, the car slowed down and I had to pull off to the shoulder as the car lost all acceleration, making it very dangerous on a highway I waited for about 2 hours for a tow truck I waited for almost 2 months to get my car back and it happened again after having it back for a little over a week mind you, I bought the car brand new with 45 miles on it and the first problem happened a little over 2 weeks after I bought it hopefully this can be resolved so that my car doesn’t spend more time being serviced than me driving it.

My 2023 Hyundai tuscon has 36000 miles. Started running rough with a slight noise. First noticed on wed [xxx]. On Thursday [xxx] I went to start my car and it stalled. Finally after letting it sit a few minutes it started but only to have the sgi light flash yellow and stay yellow for the remainder of the drive. That day I made an appt at my local Hyundai dealership in brandon florida. They kept my car. Fast forward, Monday September 15th I was notified that the car had lost a significant amount of oil. Car was inspected and free of any leaks. Tech stated because of the low oil & oil pressure the battery life was significantly impacted. I would need an oil change & new battery. Upon arriving back I came across an article stating that excessive oil consumption is common among these vehicles and the dealer wasn't even going to notify me of this issue. They were not honest and I want to file a formal complaint knowing that this is well known issue. I feel unsafe driving my children around and am upset that a recall has not been issued to fix this. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

See all problems of the 2023 Hyundai Tucson 🔎.

Hyundai has a known issue with gdi fuel injectors. Car begins to shake and lose power and eventually will stall due to cylinder misfire caused by defective injectors.

Stopped accelerating/disabled in the middle of interstate during rush hour traffic.

While almost at a complete stop in the process of putting my 2019 Hyundai Tucson in park at my friends home to drop her off, the car involuntarily surged/accelerated forward over a cement curbing and landscaping timber and slide down a small incline into a tree and landscaping boulder! after looking on line concerning the malfunction it seems there are abundant claims from other 2017-2019 Hyundai Tucson owners that have experienced this exact mechanical defect under this frightening description of a surge or acceleration out of the drivers control! it's the craziest, scariest thing ever. We have taken the car in for a recall concerning the check engine light regarding the catalytic converter prior to this incident. The car is well cared for and maintained and has never been in any accident.

I went to fill up the gas and the gas cap door would not open. The gas station attendant tried to help with no luck. I drove to the dealer - the fuel release actuator had failed. Part was replaced under warranty. I am lucky I had enough gas to get to the dealer. Very scary when you can’t put gas in your car!.

Fuel injector failure. Car was losing power completely when pressing the gas pedal then would suddenly catch and go again. Then go very slowly with little power, almost got into an accident because of the loss of acceleration. They replaced the fuel injectors and it is now happening a second time with the check engine light coming on again. A recall needs to be made! several of the same complaints on here!!!!!!!.

The high pressure fuel line began leaking gasoline after warrantee replacement of engine.

See all problems of the 2014 Hyundai Tucson 🔎.

I am submitting this complaint due to repeated and dangerous fuel injector failures on my 2022 Hyundai Tucson. This is the third time this issue has occurred in less than three years of ownership. •first incident: my vehicle broke down on the side of the road while I was 10 hours away from home in florida. This left me stranded and required towing and repairs. •second incident: the fuel injectors failed again, though fortunately closer to my home. •third and most recent incident: the same issue happened again, this time with my wife driving—a major safety concern. We purchased this vehicle specifically to avoid breakdowns like this and for the safety and reliability it was supposed to provide. This recurring failure is unacceptable for a newer vehicle and poses a significant safety risk to my family and other drivers. Fuel injector failure can lead to stalling in traffic or on highways, increasing the potential for accidents. I urge NHTSA to investigate this matter, as it appears to be a systemic issue with this model and could lead to serious harm if not addressed.

My fuel injectors has been blown and Hyundai will not replace all 4 when one goes out. So I have to keep going back up to the dealership to get it fixed each time. They always blow on the highway. The first time I was doing some distance driving from columbus, OH to dayton, OH. Then the other time happened when I was on the highway during rush hour traffic. There were no other warnings before this happens. It just happens and the engine light comes on as the steering will begins to shakes like crazy.

I’ve already had my fuel injections changed about 20,000 miles again and my car is starting to stall again check engine light on again seems to be same issue now my car is no longer under warranty. I don’t seem this problem on the recall list but this is not a problem I want to have every 20,000 miles.

Engine misfiring, causing low power on interstate 70 also losing brake control.

For the second time I was driving and all of a sudden lost power and couldn’t give it gas to go. I was almost hit from behind both times.

I took my car in for a daily oil change and inspection, where I learned that there was no oil is in my car after coming in 5k miles before as I have been religious about oil changes. I came in on Saturday September 20th for an inspection and was topped off with 3 quarts of oil but am now back in the shop Monday September 22nd to test the oil. The oil that was checked came out black.

I am submitting this formal safety complaint regarding my 2018 Hyundai Tucson. The vehicle has 101,900 miles and has been well maintained. Recently, it began experiencing severe performance issues, including difficulty accelerating and consuming oil at an abnormal rate. The dealership diagnosed the problem as a failed catalytic converter with an estimated repair cost of over $8,000. While Hyundai has an active recall on the engine for this model year, they have stated that my specific problem is not covered, despite the fact that the catalytic converter failure appears to be directly related to the engine defect. The oil consumption and acceleration issues raise serious safety concerns, as the vehicle can lose power unexpectedly while driving. I am a teacher, a parent, and have one child with special needs. I have no other form of transportation and am still making payments on a car I cannot safely drive. Hyundai’s refusal to address this issue as part of the known recall leaves me with an unsafe and inoperable vehicle through no fault of my own. I believe this matter warrants further investigation by the NHTSA, as it suggests that related component failures stemming from the defective engine are not being adequately addressed, leaving owners at financial and safety risk. I respectfully request that the NHTSA investigate whether Hyundai is failing to address a known defect’s full scope and to take appropriate action to ensure the safety and fair treatment of affected consumers. Thank you for your attention to this matter.

On a busy highway, my car broke down. It was due to the rod bearings, specifically, the Hyundai theta "extended warranty"/recall issue, or "recall" issue. There is currently a class action lawsuit against Hyundai. I had the car towed to hallmark Hyundai in nashville, TN. I, however, live in louisville, ky and I was making a road trip to nashville, TN. I was told by the service rep in nashville that they couldn't provide me with a loaner vehicle because I would be driving it, back home, out of state to louisville, ky. I paid for a rental car out-of-pocket. Hyundai corporate told me it would take 60 days to get reimbursed. I picked up the car at the beginning of July, 2025, after the engine was replaced by hallmark Hyundai. I was told by hallmark Hyundai that a service employee performed a test drive but it was immediately noticeable to me that there were still issues. I noticed the gears shifting abnormally and problems with acceleration once I first started driving it, post repairs, but assumed I would be told to give it time. Today, [xxx], the car began to have difficulty accelerating once again, and the engine light illuminated. I couldn't accelerate beyond 45 mph. I phoned Hyundai corporate customer care, relayed the issues, and said I needed a rental car the following morning for a job pre-hire meeting and couldn't pay for one since my credit card was already maxed out due to the first out-of-pocket rental. They refused. They told me to work it out with my local Hyundai dealership. The problem with all of this is that the consumer still incurs many hardships even though the car manufacturer is at fault and the dealerships don't always follow the settlement requirements of providing alternate transportation, a loaner or rental. The manufacturer and dealers are not held accountable and settlements that purport consumer recourse are more geared towards the manufacturer staying in business than the consumer being compensated fairly. Information redacted pursuant to the freedom of information act (f.

Misfire, excessive oil consumption, engine knocking, loss of power/acceleration, gas smell, excessive gas consumption.

My high pressure fuel injectors and spark plug had to be replaced at 72,000 miles. My check engine light came on and the car started vibrating and was not accelerating properly. I spoke to three Hyundai dealership service centers and each of them acknowledged that it was a known issue with 2022 Hyundai Tucsons.

Fuel injectors failure. . . . . Second one in a little over a year. Broke down on major highway. . Towed to hundai in cape girardau as it is under power train warranty. Only to be told that this is not part of the power train even though it is in the engine. Known issue,, last time the mechanic told us it was part of power train. There have been service bulletins on this issue.

Car cuts off when driving the speed drops down automatically stops the dash lights go out and can’t start it right away.