general problems of the 2020 Hyundai Tucson - part 1

I am reporting a serious safety issue involving diagnostic code p1326. My vehicle developed engine knocking and little to no acceleration and appeared to enter a reduced-power or limp-mode condition while driving. This made it difficult to merge, maintain speed, and travel safely in traffic, creating a risk of collision or becoming stranded in an unsafe location. Based on publicly available Hyundai materials, code p1326 is associated with the knock sensor detection system (ksds) and may indicate abnormal engine vibration, possible bearing-related engine damage, and reduced-power operation. Those materials also indicate that certain vehicles were eligible for software updates, inspection, and possible engine repair or replacement. I request that this issue be documented as a safety complaint and that the dealership perform a full diagnostic inspection, determine whether my vehicle qualifies for any applicable campaign or warranty extension, and provide appropriate repairs.

I have had the car in twice to the mechanic within the last 6 months for check engine light. He said I keep loosing oil, but there is no leak and it's something with the engine. Hyundai will not recall the engine, but I see so many people are having the same issue. On a 2020 vehicle, you should not have engine issues. At what point do they have a recall on this issue, as so many are reporting the same thing.

While driving, the engine began making a loud knocking/rattling noise and the check engine light began flashing. The vehicle experienced a loss of power and was unsafe to continue operating normally. The vehicle was taken to a Hyundai dealership for diagnosis. The engine requires replacement. Hyundai denied coverage, claiming excessive oil consumption and/or maintenance concerns. However, upon inspection, the dealership removed the valve cover and advised that the engine was internally clean and showed no significant sludge buildup consistent with severe neglect. I am concerned that this engine failure may be related to known Hyundai engine issues involving the 2. 4l gdi engine. The failure occurred well before the expected service life of the engine and created a potential safety hazard due to the loss of power while driving. I am requesting that NHTSA review this failure and determine whether similar failures are occurring in 2020 Hyundai Tucson vehicles equipped with the 2. 4l gdi engine.

The engine consumes oil which is a known problem at Hyundai with the Tucson for the year 2020. The car has ~51,000 miles on it. When we took the car to the dealer at which we bought the car they diagnosed that the engine was burning oil. We were told that the engine is covered by standard warranty (10 yr. 100,000 miles). There is a process Hyundai has established for engines suspected of having this issue - first we had to have them check the oil and engine and then we had to drive the car 1000 miles and bring it back to them. When we brought it back they confirmed the the engine was consuming oil. They asked us to provide our maintenance records on the car (oil changes). We were able to find evidence of 5 oil changes but we know the we changed the oil on the car every 3-5k miles as we always do. The next step in the process is a combustion chamber cleaning which costs $1400 which would normally be covered by warranty but since we did not have all records of oil changes they will not cover it so we are being told we have to pay the $1400 out of pocket and also the the cleaning is not assured to fix the issue with the engine. If it fails to fix the issue the car will need a new engine which Hyundai is telling us they will not do under the warranty and it will be our financial obligation ($10-15k additional paid by us). It is clear that Hyundai is trying to shirk their warranty obligation to us. So we are stuck - we have to pay out of pocket for a service that may not resolve the issue and if it does not the car needs a new engine. If we sell the car back to the dealership they will only pay us $6000 when the car with a good engine is worth $15k. We take our obligation of regular maintenance seriously and have been loyal buyers at this dealership for >20 years never having an issue with proper maintenance. We think it unconscionable that Hyundai is leaving us holding the bag for a problem they know exists with theses engines.

Component: engine / electrical system / fuel system incident date: February 9th, 2026 vehicle speed: 45-50 mph description: while traveling at highway speeds on a major roadway, the vehicle experienced a catastrophic and sudden engine stall without any prior warning or dashboard indicators. The engine shut off completely while in motion, resulting in an immediate and total loss of power steering and power-assisted braking. I was forced to perform a high-effort emergency maneuver in heavy traffic to reach the shoulder and avoid a collision. This vehicle is used to transport myself, my coworker and my family whose lives was placed in immediate danger by this failure. Since the start of the financing agreement, this vehicle has a documented history of recurring sensor issues and failed repair attempts at the dealership (route 1 Hyundai). The dealership has previously attempted to address electrical/sensor malfunctions, but the root cause remains unresolved, leading to this life-threatening stall. I believe this is a significant safety defect in the vehicle’s electrical or fuel management system that poses an unreasonable risk of accidents and injury.

This engine has 70,000 miles on it and has burned a quart of oil every 2500 to 3000 miles, two full quarts between oil changes. In talking to others Hyundai owners, they have similar issues. I have owned multiple other brands of vehicles with well over 150k miles and they did not burn any oil. Fords, bmws, volvos, and subarus.

I recently purchased a 2020 Hyundai Tucson with a nu 2. 0 gdi engine. Shortly after purchase the engine completely failed and requires full replacement. When taken to a Hyundai dealership, they pulled an internal stui report showing a95 branding, meaning Hyundai had previously denied warranty coverage blaming the prior owner for outside influence. This a95 designation does not appear on any consumer vehicle history report including carfax or autocheck. I paid $13,500 for this vehicle with no knowledge of this engine history. The nu 2. 0 gdi engine in this vehicle is specifically named in Hyundai’s class action settlement. Hyundai is using internal branding to avoid responsibility for a known manufacturing defect while allowing these vehicles to re-enter the used car market with clean vehicle history reports, leaving consumers completely unprotected.

Burning oil at a rate of 2 qts per 1000 miles driven. Known issue in these models of Tucsons. Not covered by the class action lawsuit as this VIN was not identified. It is burning oil at a catastrophic rate. The problem has burned through multiple catalytic converters that were covered under the warranty but did not solve the underlying problem. Has been burning oil since owning the car a year ago.

On December 27, 2025, while driving, the engine suddenly lost power and the vehicle entered limp mode and became undriveable. A warning light appeared and diagnostic code p1326 was later confirmed, indicating engine bearing failure. The vehicle could not be driven safely and required towing to a Hyundai dealership the following day. The engine failure caused a loss of propulsion safety risk. The vehicle remains out of service pending a full engine replacement. The vehicle is available for inspection at a Hyundai dealership.

My car has been burning through about 2 quarts of oil every 1000 miles. Hyundai will not replace the engine. If this continues my engine could malfunction while driving. This is a serious safety concern and there's plenty of information on it. They refuse to recall it.

2020 Hyundai Tucson engine blown @ 89,307 miles and 1,265 miles after oil change due to missing oil plug. Daughter drives about 5 miles per day for college and groceries. The day before thanksgiving 2025, her 2020 Hyundai Tucson died about 48 miles down the highway without warning, no prior warning lights or sounds before shutting down. I had the car towed to the local Hyundai dealer in the town where her college is, where they told us the engine was totaled due to a lack of oil and a missing oil plug. I discussed with the Hyundai service advisor about having an extended warranty; however, they would not work with me or the company I had the extended warranty with, mentioning they would not cover the engine failure due to the oil plug being missing. I asked the service advisor in a separate conversation whether an oil pan drain plug that was not properly torqued during an oil change could remain in place for some time—particularly during short, low-speed driving—and then gradually work loose over additional miles. The service advisor mentioned that in situations like my daughter’s, where only about 1,265 miles were driven after the oil change (mostly short trips), it would be within reason for an improperly installed drain plug to stay in place until a longer highway drive with higher rpms, at which point it could back out completely and result in a sudden oil loss and engine shutdown. The service advisor also mentioned that this is something they had seen before and is not unheard of on these vehicles.

My adult son was driving and under the hood started to smoke. He pulled over and opened the hood to take a look and then a fire started under the hood! the fire department was called and they put out the fire, cut the gasoline and duct taped it up so the fuel line would not further ignite the hot engine. My insurance is looking into what would have caused a random under the hood fire. Luckily no one was injured. However the engine section of the car is melted beyond belief. My insurance has not told me if the car is repairable or not.

Car was fine and I get regular oil changes. Last week all the sudden the car started making noise and just shut off. When my husband checked there was no oil on the dipstick but I park on concrete and the car is not leaking oil. Apparently the motor is blown and completely locked up.

The contact owns a 2020 Hyundai Tucson. The contact stated that while driving at an undisclosed speed, the low oil warning light briefly illuminated. Upon inspecting the vehicle, the contact noticed that the engine oil level was low. The vehicle was taken to the dealer, where the contact was informed that the engine was not consuming oil and that an oil change was needed. The dealer advised the contact to return after 1,000 miles to inspect the oil level. The vehicle was taken back to the dealer; however, it was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 72,000.

The contact owns a 2020 Hyundai Tucson. The contact stated that the vehicle unintendedly shut off while driving. The vehicle was restarted. There were no warning lights illuminated. The local dealer was contacted and scheduled an appointment. The vehicle was not yet diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 70,000.

Engine run hot smoke from engine car cut off wouldn't restart had totaled to Hyundai company in lithia springs GA was told by service guy that engine locked motor needed replaced. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Motor is consuming a lot of oil. I need to change every month, which is very expensive.

High oil consumption leading to costly repairs outside of warranty.

Car broke down first time about 2. 5 months ago. It was towed to fred beans Hyundai of doylestown PA and they did oil testing on it and I was told that the car was burning oil too fast. They told me under warranty they needed to do a carbon combustion cleaning. So that was down, and less than 24 hours of having the car back, the check engine light came back on, the car wouldn’t drive above 50 miles per hour, and was jumping forward (the same thing that happened the first time) I had the car towed back to the dealership and they told me there was still leftover carbon and it needed to cleaned out again. The car was fine for about 2 months, however just today it broke down again. Same problem, check engine light came on and started flashing, the car will not go above 50 mph and it jumps forward. I have now been given back a car that is unsafe to drive and put my family and 2 times. Clearly the dealership is not fixing the actual problem at hand and continues to put my family and I’s safety at risk. Each time the car has broken down I have been on the PA turnpike and been put in an extremely dangerous situation.

Car is burning through oil at a rate of 5l per week.

The contact owns a 2020 Hyundai Tucson. While the contact’s daughter was driving at an undisclosed speed, there was an abnormally loud knocking sound coming from the vehicle before the engine seized. The vehicle was towed to the dealer; however, the vehicle was not yet diagnosed or repaired. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 83,500.

Vehicle excessively burns oil, engine drives rough, exhaust developed smoke, burnt smell in engine, engine and oil gauge light comes on.

Vehicle is burning an extreme amount of oil between regular oil changes. We are having no help from our local dealership in tuscaloosa, al where we purchased the car to resolve this issue without first spending a lot of money to diagnose an issue we certainly already have. Long before it was due for routine oil change, we checked it and it was completely empty of oil. Nothing in it. We have to put oil in it three times before its next routine service. We have always had the vehicle serviced, on schedule, by our local Hyundai dealership and are the only owners of the car.

Engine is consuming 3+ quarts per 1000 miles. There is no low oil warning light or notification, just a low oil pressure light which could be caused by many things that would not cause a vehicle fire like low oil would. Hyundai was contacted and we were told that all we need to do was get our oil changed with them, come back in 1000 miles to check the level, if it was consuming greater than 1 quart per thousand miles we would be scheduled for a combustion chamber cleaning (service tech said this would do nothing to solve the issue), drive 1000 more miles and check level again, and if it was greater than 1 quart per thousand we would be scheduled for a new engine. They were informed that we were the second owner and we were told that shouldn’t be an issue. After completing the oil change and going in after 1000 miles we were told that the engine consumed approximately 3 quarts of oil. That information was apparently submitted to Hyundai and they said we were not approved for the combustion cleaning because we were the second owner. The safety of the vehicle was not taken into account at all and Hyundai did not show any concern of vechile fires even though low oil is a contributing factor to many scenarios that can cause injury or death.

High oil consumption. Car shaking , sputtering, shutting off in traffic. Replaced spark plugs 3 times in a year. Having to top oil off every other week because there will not be any oil in engine. Stopped in traffic.

The engine failed without warning. While going up a hill the car lost power. Yes, the dealership said it was a known problem. Yes, the dealership fixed the problem by putting in a new engine which I was responsible for 5% of the cost which was 739. 66. The only warning that was given was after the car failed, the engine light and the oil light went on.

In between my last 3 oil changes I have “lost” all of my oil in my car. Checked my oil randomly and there was no oil at all on the stick. After this last change I have checked it every week. I did not check for 2 weeks less than 1,000miles and it was below the low on the mark. Obviously running out of oil while driving is not safe and can cause the engine to blow. This can cause a crash or fire. There have been numerous issues with this and the cars need recalled. This is ridiculous.

The contact owns a 2020 Hyundai Tucson. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The contact stated that several unknown warning lights were illuminated. The contact was able to pull to the side of the road. The contact called a towing service to jumpstart the vehicle. The vehicle failed to restart. The vehicle was towed to the dealer where it was diagnosed that the crankshaft bearing failed due to foreign material in the engine and oil consumption. The contact was informed that the engine needed to be replaced. The vehicle was not repaired due to the cost. The manufacturer was not made aware of the failure. The failure mileage was approximately 122,000.

This call actively has a recall on engine rods any Hyundai and some kia models ranging from 2011 all the way until 2022. They are known for having a faulty motor with active oil consumption and are currently facing several lawsuits and my car is one of these cars facing this issue however, the manufacturer doesn’t want to fully create a recall on the motor claims that are causing this rapid oil consumption issue I would like this to be investigated as well as it be investigative why you don’t already have their current active recall listed on your website . But if your website was correct and listed the engine, roddery call, and if my engine rod were to blow, then they would actually address this issue however, some people are getting this issue addressed under their manufacturer warranty however it is becoming extremely difficult because they want us to pay out-of-pocket for a pointless test as newer vehicles should not be burning oil with no active problems. Clearly, the states there is a problem which there is as of all the active lawsuits.

Excessive oil consumption. Confirmed by strickland service centers on last 2 oil changes. Engine is at risk of failure if oil level drops.

My engine is burning excessive amounts of oil, which is a "known issue" of Hyundai Tucsons. After an oil change with full synthetic oil, I cannot drive my vehicle more than 4,000 miles without reaching dangerously low oil levels. Most importantly, there is no clear indicator of this low oil level—no light that comes on and stays on to tell me as the driver to check the oil and see if there is a problem. Instead, if I brake too hard or take a turn to sharply a red oil light will turn on for 1-2 seconds and then turn off again. It is easy to miss. The first few times this happened in may I thought perhaps there was a loose wire on the sensor. After it appeared 3 or 4 times I took it to a mechanic who told me the oil level was so low that they had to add 2 quarts of oil just to have it register on the dip stick. The excessive oil burning is a known issue that Hyundai fights tooth and nail to avoid correcting. But to not have a warning indicator that the oil is at a dangerously low level is reckless on Hyundai's part. The engine could have seized up, thrown a rod, or any number of consequences. I had my oil replaced by Hyundai in may as part 1 of their oil consumption test. My car passed their 1000-mile test and 4,000 miles later I was in dangerously low oil territory again. Thankfully, I knew what to look for this time. Cars should not consume oil at this rapid of a rate but even if they do drivers should be notified about low oil levels via car sensors to keep them and their passengers safe.

Complete engine failure. Car was burning oil, wasn't aware. Since I am an on the road salesman I travel alot and get oil changes consistently. Then recently the engine oil light keeps coming on when rounding bends or stopping on a hill. I checked the dip stick and see oil is half gone in between oil changes. The car stalled as I was approaching a dangerous intersection. Thankfully I was able to stop the car.

Car had check engine light come on and found out that it had been using oil. Engine started using more than 1 quart of oil every 1000 miles. Catalytic converter had to be replaced because it was plugged. Car had less than 80,000 miles on it when this started happening.

Excessive oil consumption in the engine. 1 qt every 900 to 1000 miles. This has been going on a while.

Excess oil consumption cause the engine to die and the car to stall out in the middle of the road. Engine needs completely replaced.