Hyundai has faced significant issues with excessive oil consumption in various models over the past decade. The problem has led to class action lawsuits and recalls, impacting the automaker’s reputation and causing concern among Hyundai owners. This overview will go into the history of the problem, the scope of affected vehicles, and the impact on Hyundai’s brand image.
Excessive oil consumption can lead to engine damage and failure if left unchecked, as well as increased emissions and reduced fuel efficiency. Hyundai has acknowledged the issue in certain models and implemented various measures to address it, including extended warranties, technical service bulletins, and recalls.
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Hyundai Excessive Oil Consumption: Class Action Lawsuit & Recall
Affected Hyundai Models and Years

The oil consumption problem has affected a wide range of Hyundai models across multiple years, with some of the most prominent issues found in the following vehicles:
Hyundai Sonata Excessive Oil Consumption (2011-2019)
- 2011 Sonata oil consumption program
- 2015-2019 Sonata models
- 2018 Hyundai Sonata oil consumption specifics
The Hyundai Sonata has been one of the most affected models, with issues spanning from 2011 to 2019. In 2011, Hyundai implemented an oil consumption program to address the problem, while 2015-2019 models have also been reported to experience excessive oil consumption. The 2018 Sonata, in particular, has faced specific oil consumption issues.
Hyundai Santa Fe Excessive Oil Consumption (2013-2019)
- 2013-2014 Santa Fe oil consumption recall
- 2015-2017 Santa Fe oil consumption issues
- 2018 Santa Fe and Santa Fe Sport models
The Hyundai Santa Fe, a popular SUV, has also been plagued by oil consumption problems from 2013 to 2019. Hyundai issued a recall for 2013-2014 Santa Fe models due to the issue, while 2015-2017 models have also experienced excessive oil consumption. The 2018 Santa Fe and Santa Fe Sport have been specifically mentioned in oil consumption reports.
Tucson Excessive Oil Consumption (2014-2021)
- 2016 Hyundai Tucson oil consumption problems
- 2017-2019 Tucson models
- 2020-2021 Tucson oil consumption reports
The Hyundai Tucson, a compact crossover SUV, has faced oil consumption issues from 2014 to 2021. The 2016 Tucson has been particularly problematic, with numerous reports of excessive oil consumption. The issue has persisted in 2017-2019 models and even in more recent 2020-2021 Tucsons.
Hyundai Elantra Excessive Oil Consumption (2014-2020)
- Elantra GTÂ oil consumption
- 2017 Elantra oil consumption recall
The Hyundai Elantra, a compact car, has also experienced oil consumption problems, especially in the Elantra GT variant. In 2017, Hyundai issued a recall for certain Elantra models due to excessive oil consumption.
Hyundai Kona Excessive Oil Consumption (2018-2021)
- 2019 Kona oil consumption problems
- 2020-2021 Kona models
The Hyundai Kona, a subcompact crossover SUV, has faced oil consumption issues since its introduction in 2018. The 2019 Kona has been particularly affected, with reports of excessive oil consumption persisting in 2020-2021 models.
Hyundai Palisade Excessive Oil Consumption (2020-2024)
- 2020 Palisade oil consumption issue
- 2021-2024 Palisade models
Even Hyundai’s newest and largest SUV, the Palisade, has not been immune to oil consumption problems. The issue has been reported in 2020 Palisade models and may affect 2021-2024 models as well.
Other affected models
- Accent
- Veloster
- Genesis
Oil Consumption Problem Details

The oil consumption issue in Hyundai vehicles has been a significant concern for many owners, leading to increased maintenance costs, reduced engine performance, and potential engine damage. Understanding the nature of the problem, its symptoms, and potential causes is crucial for affected owners.
Nature of the issue
Hyundai vehicles affected by the oil consumption problem tend to consume engine oil at an abnormally high rate. This means that the engine is burning or losing oil faster than expected, often requiring owners to top up the oil more frequently than the recommended oil change intervals.
Excessive oil consumption rates can vary depending on the specific model and engine type, but some owners have reported consuming as much as one quart of oil every 1,000 miles or less. This is significantly higher than the acceptable oil consumption rate for most modern vehicles.
Symptoms of excessive oil consumption
Owners of affected Hyundai vehicles may notice several symptoms that indicate an excessive oil consumption problem:
- Low oil levels between changes: If you find yourself having to add oil frequently between regular oil changes, it could be a sign of excessive oil consumption.
- Blue exhaust smoke: If your vehicle emits blue smoke from the exhaust pipe, it may indicate that the engine is burning oil along with the fuel.
- Engine warning lights: In some cases, the vehicle’s oil pressure warning light or check engine light may illuminate due to low oil levels caused by excessive consumption.
Potential causes
Several factors can contribute to excessive oil consumption in Hyundai vehicles:
- Engine design flaws: Some Hyundai engines, particularly the Theta II and Nu engines, have been known to have design issues that can lead to increased oil consumption. These flaws may include problems with piston rings, cylinder walls, or valve guides.
- Manufacturing defects: In some cases, manufacturing defects in engine components, such as improperly machined parts or poor quality control, can result in excessive oil consumption.
- Faulty components: Malfunctioning parts, such as the Positive Crankcase Ventilation (PCV) system or oil control rings, can also contribute to increased oil consumption.
How to Check if Your Hyundai is Affected by the Recall?

To find out if your Hyundai is part of the oil consumption recall, visit Hyundai’s recall website and enter your vehicle identification number (VIN). This will quickly tell you if your car is affected.
Here’s why this information matters:
- Relief: If your Hyundai isn’t part of the recall, you’ll feel relieved knowing your car doesn’t have the issues that concern others.
- Urgency: If your Hyundai is recalled, it’s important to take it seriously for safety reasons. It’s unsettling to drive a car that might’ve problems.
- Empowerment: Knowing your car’s recall status lets you make informed decisions, like getting it repaired or watching its condition more closely.
How to Participate in the Hyundai Excessive Oil Consumption Class Action Lawsuit?
Step 1: Verify Vehicle Eligibility
Start by ensuring your Hyundai model is among those affected by the excessive oil consumption issue. This may require checking recall notices or lawsuit details to confirm your vehicle’s eligibility.
Step 2: Collect Documentation
Gather all relevant records, such as service logs, repair bills, and any communications with Hyundai or dealership service centers regarding the oil consumption problem. Evidence of your vehicle’s oil consumption rate is crucial.
Step 3: Contact the Law Firm
Search online or visit consumer advocacy websites to find the contact information for the law firm managing the class action lawsuit. Reach out to them via phone or email for instructions on how to proceed with joining the lawsuit.
Step 4: Submit Required Information
Provide the law firm with the documentation you’ve collected. You may also need to complete a questionnaire or form detailing your experiences with the oil consumption issue.
Step 5: Observe Deadlines
Be aware of the deadline to join the lawsuit, known as the ‘opt-in’ period. Ensure you act within this timeframe to avoid missing out on potential compensation or settlement.
Step 6: Stay Updated
Once you’ve joined the lawsuit, regularly check your email and follow the law firm’s updates for any news regarding the lawsuit’s progress and further actions you might need to take.
Impact on vehicle performance and longevity
Excessive oil consumption can have several negative effects on a vehicle’s performance and longevity:
- Reduced engine efficiency: As the engine burns oil along with fuel, it can lead to reduced fuel economy and overall engine efficiency.
- Increased wear and tear: When oil levels drop too low due to excessive consumption, it can cause increased friction and wear on engine components, leading to premature engine wear.
- Potential for catastrophic engine failure: In extreme cases, if the oil level becomes critically low and the issue is not addressed promptly, it can result in severe engine damage or even complete engine failure.
Hyundai’s Response to Oil Consumption Issues

As the oil consumption problem gained attention from affected owners and media outlets, Hyundai has taken various steps to address the issue and mitigate the impact on its customers and brand reputation.
Initial acknowledgment of the problem
In the early stages of the oil consumption issue, Hyundai acknowledged the problem in certain models and engines, particularly the Theta II and Nu engines. The company issued statements indicating that it was aware of the issue and was working on identifying the root causes and developing solutions.
Technical Service Bulletins (TSBs) issued
Hyundai issued several Technical Service Bulletins (TSBs) to dealerships, providing information and guidance on diagnosing and addressing oil consumption issues in affected vehicles. These TSBs outlined the specific models and engine types that were prone to excessive oil consumption, as well as the recommended steps for repair or replacement.
Warranty extensions and policy changes
In response to the growing concerns from owners, Hyundai implemented warranty extensions and policy changes to better support affected customers:
- Extended warranties for excessive oil consumption: Hyundai extended the warranty coverage for certain models and engines that were known to experience excessive oil consumption. This extension provided owners with additional protection and peace of mind.
- Goodwill repairs and compensation: In some cases, Hyundai offered goodwill repairs or compensation to owners who had incurred out-of-pocket expenses related to oil consumption issues, even if their vehicles were outside the warranty period.
Recall announcements and details
As the oil consumption problem persisted and more vehicles were affected, Hyundai initiated several recalls to address the issue:
- Recall numbers and dates: Hyundai assigned specific recall numbers and announced the dates when the recalls would begin, allowing owners to identify if their vehicle was included and when they could schedule a repair.
- Affected models and years: The recall announcements clearly outlined the specific models and years that were included in each recall, helping owners determine if their vehicle was eligible for the recall repairs.
Engine replacement programs
In some cases, Hyundai determined that the best course of action was to replace the entire engine in affected vehicles. The company implemented engine replacement programs for certain models and engines that were found to have severe oil consumption issues or related problems.
Hyundai’s official statements and press releases
Throughout the process of addressing the oil consumption issue, Hyundai released official statements and press releases to keep customers, media, and stakeholders informed about the company’s actions and progress.
These communications aimed to reassure owners that Hyundai was taking the problem seriously and working diligently to find solutions.
Despite these efforts, some owners and consumer advocates have criticized Hyundai for not acting quickly enough or providing adequate compensation for the inconvenience and expenses related to the oil consumption issue.
As a result, the company has faced class action lawsuits and continued scrutiny from affected customers and the media.
Class Action Lawsuits

As the oil consumption issue has affected a significant number of Hyundai owners, several class action lawsuits have been filed against the automaker in various jurisdictions. These lawsuits allege that Hyundai knowingly sold vehicles with defective engines prone to excessive oil consumption, leading to increased maintenance costs and potential engine damage for owners.
Overview of major lawsuits filed against Hyundai
- U.S. lawsuits: Multiple class action lawsuits have been filed in federal courts across the United States, representing owners of affected Hyundai models. These lawsuits seek compensation for repairs, diminished vehicle value, and other damages related to the oil consumption issue.
- Canadian lawsuits: Similar to the U.S., class action lawsuits have been initiated in Canada on behalf of Hyundai owners who have experienced excessive oil consumption in their vehicles.
Key allegations in the lawsuits
The class action lawsuits against Hyundai typically include the following key allegations:
- Defective engine design: The lawsuits claim that Hyundai’s Theta II, Nu, and other affected engines have inherent design flaws that cause excessive oil consumption, leading to engine damage and failure.
- Failure to disclose the defect: Plaintiffs allege that Hyundai was aware of the oil consumption issue but failed to disclose this information to consumers at the time of purchase or lease.
- Insufficient remedies: The lawsuits argue that Hyundai’s attempts to address the problem through recalls, warranty extensions, and other measures have been inadequate, leaving many owners with recurring issues and expenses.
One question probably coming to your mind, what to do when Hyundai denies the engine claim, right?
Geographical scope of legal actions
Class action lawsuits related to Hyundai’s oil consumption issue have been filed in multiple countries, including:
- United States: Lawsuits have been brought in federal courts across various states, seeking nationwide representation for affected owners.
- Canada: Canadian class action lawsuits have been initiated in several provinces, aiming to represent Hyundai owners throughout the country.
Current status of various lawsuits
The status of the class action lawsuits against Hyundai varies depending on the specific case and jurisdiction:
- Ongoing litigation: Some lawsuits are still in the early stages, with plaintiffs and Hyundai engaged in legal proceedings and negotiations.
- Settlements: In certain cases, Hyundai has reached settlements with plaintiffs, agreeing to provide compensation, extended warranties, or other remedies to affected owners.
Potential outcomes and settlements
The outcomes of the class action lawsuits against Hyundai may include:
- Monetary compensation: Settlements or court judgments may require Hyundai to pay damages to affected owners for repairs, diminished vehicle value, and other related expenses.
- Extended warranties: Hyundai may be compelled to offer extended warranty coverage for engines affected by the oil consumption issue, providing additional protection for owners.
- Recall expansions: Lawsuits may pressure Hyundai to expand existing recalls or initiate new ones to address the oil consumption problem in a broader range of vehicles.
How to join the class action lawsuit
Hyundai owners who have experienced excessive oil consumption in their vehicles may be eligible to join a class action lawsuit. The process typically involves:
- Identifying relevant lawsuits: Owners should research existing class action lawsuits against Hyundai related to the oil consumption issue in their country or state.
- Contacting legal representatives: Plaintiffs’ law firms handling the class action lawsuits often provide information on their websites or through direct contact about how affected owners can join the lawsuit.
- Providing documentation: Owners may be required to submit proof of vehicle ownership, repair records, and other relevant documentation to participate in the lawsuit.
It is essential for affected Hyundai owners to stay informed about the progress of class action lawsuits and to carefully consider their legal options in consultation with qualified attorneys.
Recall Information

Hyundai has issued several recalls related to the oil consumption issue, providing important information for affected owners. These recalls aim to address the problem and ensure the safety and reliability of the vehicles.
Official recall announcements
Hyundai has made official recall announcements through various channels, including:
- Hyundai website: The automaker posts recall information on its official website, allowing owners to check if their vehicle is affected by entering their Vehicle Identification Number (VIN).
- NHTSA website: The National Highway Traffic Safety Administration (NHTSA) maintains a database of vehicle recalls, including those related to Hyundai’s oil consumption issue.
- Media releases: Hyundai has issued press releases and media statements to inform the public about the recalls and the steps being taken to address the problem.
Recall numbers and dates
Each recall is assigned a unique recall number and a corresponding date when the recall is initiated. These details help owners and dealerships identify the specific recall and its timeline. Some notable recall numbers and dates related to the oil consumption issue include:
- Recall 162: Initiated on March 29, 2019, for certain 2011-2014 Sonata and 2013-2014 Santa Fe Sport vehicles equipped with 2.0L and 2.4L Theta II engines.
- Recall 174: Launched on December 2, 2020, for select 2017 Hyundai Sonata and 2017 Santa Fe Sport vehicles with 2.4L engines.
Specific models and years included in recalls
The recalls related to the oil consumption issue have encompassed various Hyundai models and years, such as:
- 2011-2014 Hyundai Sonata
- 2013-2014 Hyundai Santa Fe Sport
- 2017 Hyundai Sonata
- 2017 Hyundai Santa Fe Sport
Owners should check the specific recall information to determine if their vehicle is included based on the model, year, and engine type.
Recall procedures and fixes offered by Hyundai
Hyundai has outlined the procedures and fixes offered as part of the oil consumption recalls:
- Inspection: Dealerships will inspect the vehicle’s engine to assess the oil consumption rate and determine if further action is necessary.
- Engine replacement: In some cases, Hyundai will replace the entire engine assembly with a new or remanufactured unit to address the oil consumption issue.
- Component replacement: For certain recalls, Hyundai may replace specific engine components, such as piston rings or valve train parts, to mitigate the problem.
Customer notification process
Hyundai notifies affected owners about the recalls through various means:
- Mail: Official recall notification letters are sent to the registered owners of affected vehicles, providing information about the issue and the steps to take.
- Email: In some cases, Hyundai may send email notifications to owners who have provided their email addresses to the company.
- Phone: Hyundai’s customer service representatives may reach out to affected owners by phone to inform them about the recall and assist with scheduling service appointments.
Oil Consumption Tests and Diagnostics
To address the oil consumption issue, Hyundai has established specific tests and diagnostic procedures to determine whether a vehicle’s oil consumption rate is within acceptable limits or requires further action.
Hyundai’s official oil consumption test procedure
Hyundai has outlined an official oil consumption test procedure for its dealerships to follow when assessing a vehicle’s oil consumption rate:
- Oil change and inspection: The vehicle’s oil is changed, and the engine is inspected for any visible leaks or damage.
- Oil level monitoring: The oil level is checked and recorded at the start of the test, and the vehicle is driven for a specified distance (usually 1,000 miles or 1,600 kilometers).
- Final oil level measurement: After completing the test drive, the oil level is measured again to determine the amount of oil consumed during the test period.
Acceptable vs. excessive oil consumption rates
Hyundai has established guidelines for acceptable oil consumption rates, which may vary depending on the specific engine and model:
- Acceptable oil consumption: Generally, an oil consumption rate of up to 0.5 quarts (0.47 liters) per 1,000 miles (1,600 kilometers) is considered acceptable for most Hyundai vehicles.
- Excessive oil consumption: If a vehicle consumes more than the acceptable rate, it is considered to have excessive oil consumption and may require further investigation or repair.
How owners can monitor oil consumption
Hyundai owners can monitor their vehicle’s oil consumption by following these steps:
- Check the oil level regularly: Using the dipstick, check the oil level at least once a month or every 1,000 miles (1,600 kilometers), whichever comes first.
- Keep a record: Document the oil level, mileage, and any oil added between changes to track consumption over time.
- Note any unusual symptoms: Pay attention to signs of excessive oil consumption, such as blue exhaust smoke or the need to add oil frequently between changes.
Dealership diagnostic processes
When a Hyundai owner brings their vehicle to a dealership with concerns about oil consumption, the dealership will typically follow these diagnostic processes:
- Customer interview: The service advisor will discuss the owner’s concerns and gather information about their driving habits and maintenance history.
- Visual inspection: A technician will inspect the engine for visible leaks, damage, or other issues that could contribute to oil consumption.
- Oil consumption test: If necessary, the dealership will perform Hyundai’s official oil consumption test to determine the vehicle’s oil consumption rate.
- Further diagnostics: If the oil consumption rate is found to be excessive, the technician may perform additional diagnostic tests to identify the underlying cause, such as a compression test or leak-down test.
Normal oil consumption for Hyundai vehicles
It is important to note that some oil consumption is considered normal for most vehicles, including Hyundais. Factors such as engine design, age, mileage, and driving conditions can all affect oil consumption rates. However, if an owner notices a sudden increase in oil consumption or if the rate exceeds Hyundai’s acceptable limits, it is advisable to have the vehicle inspected by a qualified technician.
Consumer Rights and Options
Hyundai owners who are experiencing excessive oil consumption issues have several rights and options available to them. It is essential for affected consumers to understand their legal protections and the steps they can take to address the problem.
Warranty coverage for oil consumption issues
Hyundai provides a limited powertrain warranty that covers certain engine components, including those related to oil consumption, for a specified period or mileage. The terms of the warranty may vary depending on the model and year of the vehicle.
- New Vehicle Limited Warranty: Hyundai’s new vehicle limited warranty typically covers the powertrain for 5 years or 60,000 miles, whichever comes first.
- Extended warranties: Some owners may have purchased extended warranties that provide additional coverage beyond the original factory warranty.
If an owner experiences excessive oil consumption within the warranty period, they may be eligible for repairs or replacements at no cost.
Steps for consumers to take if experiencing the problem
Hyundai owners who suspect their vehicle is consuming an excessive amount of oil should take the following steps:
- Document the issue: Keep detailed records of oil consumption, including dates, mileage, and the amount of oil added between changes.
- Contact a Hyundai dealership: Schedule an appointment with a Hyundai dealership to have the vehicle inspected and undergo an oil consumption test.
- Escalate the issue: If the dealership is unable to resolve the problem, contact Hyundai’s customer service department or consider involving a third-party advocate, such as the Better Business Bureau or a consumer protection agency.
If your warranty claim has been denied, explore your legal options beyond class action lawsuits when dealing with Hyundai engine claims.
How to participate in class action lawsuits
Affected Hyundai owners may be eligible to join ongoing class action lawsuits related to excessive oil consumption. To participate, consumers should:
- Research existing lawsuits: Look for information about class action lawsuits against Hyundai for oil consumption issues in their specific vehicle model and year.
- Contact the law firms: Reach out to the law firms handling the class action lawsuits to learn more about eligibility and the process for joining the suit.
- Provide necessary documentation: Gather and submit any required documentation, such as proof of vehicle ownership and records of oil consumption issues.
Lemon law considerations
Lemon laws are state-specific regulations that provide protection for consumers who have purchased vehicles with significant defects or recurring problems. If a Hyundai owner’s vehicle meets the criteria for a lemon under their state’s laws, they may be entitled to a refund, replacement, or other compensation.
- Research state lemon laws: Familiarize yourself with the specific lemon law requirements in your state.
- Determine eligibility: Assess whether your vehicle’s oil consumption issue meets the criteria for a lemon, such as the number of repair attempts or days out of service.
- Seek legal advice: Consult with a lemon law attorney to discuss your case and potential legal options.
Arbitration options
Arbitration is an alternative dispute resolution process that can be used to settle conflicts between consumers and manufacturers. Some Hyundai owners may choose to pursue arbitration to resolve their oil consumption issues.
- Hyundai’s arbitration program: Hyundai offers an arbitration program through the Better Business Bureau (BBB) Auto Line for warranty disputes.
- Independent arbitration: Consumers can also seek arbitration through independent organizations or private arbitrators.
Consumer advocacy groups and resources
Several consumer advocacy groups and resources are available to assist Hyundai owners with excessive oil consumption issues:
- Center for Auto Safety: A non-profit consumer advocacy organization that focuses on automotive safety and consumer protection issues.
- Consumer Reports: An independent, non-profit organization that provides product reviews and consumer advice, including information on vehicle reliability and customer satisfaction.
- National Highway Traffic Safety Administration (NHTSA): A government agency responsible for vehicle safety standards and enforcement, which also maintains a database of consumer complaints and recalls.
Long-term Solutions and Engine Modifications
As Hyundai has acknowledged the oil consumption issue and its impact on customers, the company has been working on long-term solutions and engine modifications to address the problem at its core.
Engineering changes implemented by Hyundai
Hyundai’s engineering team has been analyzing the root causes of the excessive oil consumption and developing design changes to mitigate the issue in future models:
- Piston ring design: Hyundai has been working on optimizing the design of piston rings to improve their sealing performance and reduce oil consumption.
- Cylinder wall coating: Implementing advanced cylinder wall coatings, such as diamond-like carbon (DLC), can help minimize wear and oil consumption.
- Oil control ring modifications: Redesigning oil control rings to better regulate oil flow and minimize oil entering the combustion chamber.
Redesigned components to address oil consumption
In addition to engineering changes, Hyundai has introduced redesigned components in some models to address the oil consumption issue:
- Improved valve stem seals: Upgrading valve stem seals to more advanced materials and designs can help prevent oil from entering the combustion chamber through the valve guides.
- Enhanced positive crankcase ventilation (PCV) system: Optimizing the PCV system to better manage crankcase pressure and oil separator efficiency can reduce oil consumption.
Software updates and their effectiveness
Hyundai has also explored software updates as a potential solution for some affected vehicles:
- Engine control unit (ECU) updates: Recalibrating the ECU software to optimize engine parameters, such as fuel injection timing and valve timing, can help reduce oil consumption in certain scenarios.
- Oil level monitoring software: Implementing software that can detect and alert drivers to abnormal oil consumption rates, prompting them to seek service before engine damage occurs.
New engine designs for future models
To prevent oil consumption issues from occurring in future models, Hyundai has been developing new engine designs that incorporate lessons learned from the current problem:
- Smartstream engines: Hyundai’s new Smartstream engine family features advanced technologies, such as laser-drilled injector holes and optimized combustion chamber design, which can contribute to reduced oil consumption.
- Improved manufacturing processes: Implementing stricter quality control measures and advanced manufacturing techniques to minimize variations in engine components that could lead to oil consumption issues.
Did Hyundai correct oil consumption issues?
While Hyundai has made significant efforts to address the oil consumption problem, the effectiveness of these measures may vary depending on the specific model and engine type:
- Successful fixes in some models: Some Hyundai models have shown significant improvements in oil consumption after receiving engine replacements or modifications, with owners reporting reduced oil loss and improved performance.
- Ongoing concerns: However, there have been reports of some vehicles continuing to experience oil consumption issues even after repairs or engine replacements, suggesting that the problem may not be entirely resolved in all cases.
As Hyundai continues to work on long-term solutions and engine modifications, it is essential for the company to closely monitor the effectiveness of these measures and make further improvements as necessary to ensure customer satisfaction and vehicle reliability.
Impact on Hyundai’s Reputation and Sales
The oil consumption issue has had a significant impact on Hyundai’s reputation and sales, as consumers have expressed concerns about the reliability and durability of the affected vehicles.
Consumer sentiment towards Hyundai after the issue
The oil consumption problem has led to a decline in consumer confidence in Hyundai vehicles:
- Negative reviews and feedback: Many owners of affected vehicles have shared their negative experiences online, warning potential buyers about the issue and expressing frustration with Hyundai’s handling of the problem.
- Concerns about reliability: The oil consumption issue has raised doubts about the overall reliability of Hyundai vehicles, with some consumers questioning the quality of the company’s engineering and manufacturing processes.
- Hesitation to purchase Hyundai vehicles: Potential buyers may be hesitant to purchase Hyundai models, especially those affected by the oil consumption issue, due to concerns about future problems and repair costs.
Sales figures and market share impact
The oil consumption issue has had a measurable impact on Hyundai’s sales and market share:
- Decline in sales: In the years following the emergence of the oil consumption problem, Hyundai experienced a decline in sales for affected models, as consumers opted for competing brands or avoided the affected vehicles altogether.
- Loss of market share: As a result of the sales decline, Hyundai has lost market share in key segments, such as compact cars and SUVs, to competitors who have capitalized on the company’s troubles.
Hyundai’s efforts to rebuild trust
To address the negative impact on its reputation and regain consumer trust, Hyundai has undertaken several initiatives:
- Improved communication: Hyundai has aimed to be more transparent and proactive in communicating with customers about the oil consumption issue, providing regular updates on recall progress and offering more detailed information about the problem.
- Enhanced warranty coverage: By extending warranty coverage for affected vehicles and offering goodwill repairs, Hyundai has sought to demonstrate its commitment to standing behind its products and supporting customers.
- Quality assurance measures: Hyundai has emphasized its efforts to improve quality control and implement more rigorous testing and inspection processes to prevent similar issues from occurring in the future.
Comparison with similar issues from other manufacturers
The Hyundai oil consumption issue is not unique, as other automakers have faced similar problems in recent years:
- Subaru oil consumption issues: Subaru has dealt with excessive oil consumption in some of its models, particularly those equipped with the FB20 and FB25 engines, leading to lawsuits and recalls.
- Honda CR-V oil dilution problem: Honda faced an oil dilution issue in its 1.5-liter turbocharged engines, which caused fuel to mix with the engine oil, leading to potential engine damage and increased oil consumption.
Preventive Measures and Maintenance Tips
To help mitigate the impact of oil consumption issues and extend the life of their vehicles, Hyundai owners can take several preventive measures and follow recommended maintenance tips.
Recommended oil change intervals
Adhering to Hyundai’s recommended oil change intervals is crucial for maintaining engine health and minimizing oil consumption:
- Regular oil changes: Follow the oil change schedule outlined in your vehicle’s owner’s manual, which typically ranges from 5,000 to 7,500 miles or every six months, whichever comes first.
- Severe driving conditions: If you frequently drive in severe conditions, such as extreme temperatures, dusty environments, or stop-and-go traffic, consider changing your oil more frequently, as these conditions can accelerate oil degradation.
Importance of using the correct oil type
Using the correct oil type and viscosity is essential for optimal engine performance and minimizing oil consumption:
- 0W-20 oil usage: Many newer Hyundai models require the use of 0W-20 synthetic oil, which is a lighter viscosity oil designed to improve fuel efficiency. However, some experts argue that this thin oil may contribute to increased oil consumption in certain engines.
- Manufacturer recommendations: Always use the oil type and viscosity recommended by Hyundai for your specific vehicle model and year. Using the wrong oil can lead to increased engine wear and oil consumption.
Warning signs of excessive oil consumption
Hyundai owners should be aware of the warning signs that may indicate excessive oil consumption:
- Low oil levels: Regularly check your oil level using the dipstick and look for any significant drops between oil changes.
- Burning oil smell: If you notice a burning oil smell coming from your engine or exhaust, it may indicate that your vehicle is consuming oil at an abnormal rate.
- Blue smoke from the exhaust: Blue smoke from the exhaust pipe is a telltale sign that your engine is burning oil, which can be caused by worn piston rings, valve seals, or other issues.
While low oil levels are concerning, here are the critical warning signs your Hyundai engine might be failing that go beyond just oil consumption.
Best practices for maintaining affected vehicles
To help minimize the impact of oil consumption issues, Hyundai owners can follow these best practices:
- Monitor oil levels regularly: Check your oil level at least once a month and top up as needed to prevent the engine from running low on oil.
- Keep detailed records: Document your oil consumption, including the date, mileage, and amount of oil added, to help identify any sudden increases in consumption.
- Address issues promptly: If you suspect your vehicle is consuming oil excessively, have it inspected by a qualified Hyundai technician as soon as possible to prevent further engine damage.
PCV valve maintenance and its role in oil consumption
The Positive Crankcase Ventilation (PCV) valve plays a crucial role in regulating engine oil consumption and should be maintained properly:
- Function of the PCV valve: The PCV valve helps regulate pressure in the crankcase and prevents oil from being forced past piston rings and into the combustion chamber.
- Cleaning and replacement: Over time, the PCV valve can become clogged with oil sludge and debris, reducing its effectiveness. Regularly cleaning or replacing the PCV valve as part of routine maintenance can help minimize oil consumption issues.
Specific Engine Types and Their Issues
Hyundai has used several engine types across its model lineup, and some of these engines have been more prone to oil consumption issues than others. Understanding the specific engine types and their associated problems can help owners identify potential concerns with their vehicles.
Theta II engine oil consumption
The Theta II engine, particularly the 2.4-liter version, has been one of the most problematic engines in terms of oil consumption. This engine has been used in various Hyundai models, including the Sonata, Santa Fe, and Tucson. Some of the key issues with the Theta II engine include:
- Piston ring design flaws: The piston rings in some Theta II engines have been found to wear prematurely, leading to increased oil consumption and potential engine damage.
- Connecting rod bearing failures: In some cases, the connecting rod bearings in Theta II engines have failed, causing sudden engine seizure and potential safety hazards.
Gamma engine issues
The Gamma engine, used in smaller Hyundai vehicles like the Accent and Elantra, has also been associated with oil consumption problems. Some of the specific issues with the Gamma engine include:
- Oil control ring failures: The oil control rings in some Gamma engines have been prone to failure, allowing oil to enter the combustion chamber and leading to increased consumption.
- Piston and cylinder wear: Excessive wear on the pistons and cylinder walls has been reported in some Gamma engines, contributing to higher oil consumption rates.
Nu engine problems
The Nu engine, found in models like the Elantra and Veloster, has also faced oil consumption concerns. Some of the key issues with the Nu engine include:
- Piston ring gaps: Excessive piston ring gaps in some Nu engines have allowed oil to pass into the combustion chamber, leading to increased consumption.
- Valve stem seal wear: Worn valve stem seals have been reported in some Nu engines, allowing oil to leak into the combustion chamber and contributing to higher consumption rates.
Lambda engine oil consumption
The Lambda engine, used in larger Hyundai vehicles like the Genesis and Santa Fe, has also been associated with oil consumption issues. Some of the specific problems with the Lambda engine include:
- Timing chain tensioner failures: Faulty timing chain tensioners in some Lambda engines have led to premature timing chain wear and potential engine damage, as well as increased oil consumption.
- Oil pump wear: Excessive wear on oil pump components has been reported in some Lambda engines, reducing oil pressure and contributing to higher consumption rates.
2.4L engine oil consumption issues
In addition to the Theta II engine, other 2.4-liter engines used by Hyundai have also faced oil consumption problems. These issues have been reported in models like the Sonata and Santa Fe, with some of the key concerns being:
- Piston ring wear: Similar to the Theta II engine, piston ring wear has been a common issue in other 2.4L engines, leading to increased oil consumption.
- Valve guide wear: Excessive wear on valve guides has been reported in some 2.4L engines, allowing oil to leak into the combustion chamber and contributing to higher consumption rates.
2.0L Turbo engine problems
Hyundai’s 2.0-liter turbocharged engine, used in models like the Santa Fe and Sonata, has also been associated with oil consumption issues. Some of the specific problems with the 2.0L Turbo engine include:
- Turbocharger oil leaks: Oil leaks from the turbocharger have been reported in some 2.0L Turbo engines, leading to increased oil consumption and potential engine damage.
- Piston ring and cylinder wear: As with other engines, piston ring and cylinder wear has been a concern in some 2.0L Turbo engines, contributing to higher oil consumption rates.
1.6L Turbo GDI engine oil consumption
The 1.6-liter turbocharged Gasoline Direct Injection (GDI) engine, used in models like the Tucson and Veloster, has also faced oil consumption issues. Some of the key problems with the 1.6L Turbo GDI engine include:
- High-pressure fuel pump failures: Failures of the high-pressure fuel pump have been reported in some 1.6L Turbo GDI engines, leading to engine damage and increased oil consumption.
- Injector coking: The direct injection system in the 1.6L Turbo GDI engine has been prone to injector coking, which can cause misfires, reduced engine performance, and increased oil consumption.
Frequently Asked Questions
What is considered excessive oil consumption?Â
While some oil consumption is normal, Hyundai typically considers consumption rates exceeding 1 quart per 1,000 miles (0.946 liters per 1,609 kilometers) to be excessive.
What causes excessive oil consumption in Hyundai engines?Â
Several factors can contribute to high oil consumption, including engine design flaws, manufacturing defects, and faulty components such as piston rings or valve seals.
Is excessive oil consumption harmful to the engine?Â
Yes, if left unchecked, excessive oil consumption can lead to engine damage, reduced performance, and even complete engine failure.
What should I do if my Hyundai consumes excessive oil?
If your Hyundai uses too much oil, first check and fill up the oil if needed. Watch the oil level for a few weeks.
If the problem continues, go to a Hyundai dealership or a trusted mechanic for a check-up. Keep records of all visits and repairs for warranty or legal reasons.
Fixing this issue early can prevent bigger engine problems later.
How can I join the class action lawsuit against Hyundai?
To join the class action lawsuit against Hyundai due to oil consumption issues, first confirm your vehicle model and year are included in the lawsuit by checking the law firm’s website.
Gather all relevant documents like repair bills and communications with Hyundai or the dealership.
Contact the law firm through their website or phone, provide the documents, and complete a form to join the lawsuit.
Ensure you act quickly to meet any deadlines.
Will Hyundai repair my vehicle if it’s affected by excessive oil consumption?
Hyundai might fix vehicles with excessive oil consumption if they’re under warranty and meet certain model criteria. If your car has this problem, contact a Hyundai dealer.
They’ll check if your vehicle qualifies for a repair based on recalls or lawsuit results. The warranty period can affect eligibility, so act quickly.
Make sure to have your maintenance records ready. If your car qualifies, Hyundai should pay for the repairs. This could save you money and help with the oil consumption issue.
Hyundai’s official responses
Hyundai has provided official responses to frequently asked questions about the oil consumption issue:
- What is Hyundai doing to address the problem? Hyundai has implemented various measures, such as recalls, warranty extensions, and engine replacement programs, to assist affected owners and resolve the issue.
- How can I determine if my vehicle is affected? Owners can check their vehicle’s eligibility for recalls or warranty extensions by visiting the Hyundai website or contacting their local dealership with their Vehicle Identification Number (VIN).
Expert opinions and advice
Automotive experts and consumer advocates have offered their insights and advice regarding the Hyundai oil consumption issue:
- What should affected owners do? Experts recommend regularly monitoring oil levels, keeping detailed records of oil consumption, and promptly addressing any concerns with a Hyundai dealership or a qualified mechanic.
- Are there any long-term solutions? While Hyundai has implemented various fixes, some experts suggest that the most effective long-term solution may be a complete engine redesign to address the underlying issues.
Oil consumption rates and what’s considered excessive
Understanding what constitutes excessive oil consumption can help owners identify potential problems:
- Normal oil consumption rates: Most modern vehicles, including Hyundais, typically consume between 0.5 to 1 quart of oil per 5,000 miles (4,828 kilometers) under normal driving conditions.
- Factors affecting oil consumption: Oil consumption rates can vary depending on factors such as engine design, age, mileage, and driving habits, making it essential for owners to monitor their vehicle’s specific consumption patterns.