Has Subaru Fixed the Oil Consumption Problem?

Has Subaru Fixed the Oil Consumption Problem? This is a question that has been on the minds of many Subaru owners and potential buyers alike. In this article, we will take a deep dive into the issue, examining the causes, Subaru’s response, independent assessments, ongoing issues, and the impact on consumer confidence.

Subaru has a long history of producing reliable and fuel-efficient vehicles. However, in recent years, the company has been plagued by reports of excessive oil consumption in some of its models. This issue has raised concerns about the longevity and reliability of Subaru vehicles.

Introduction: Has Subaru Fixed The Oil Consumption Problem

The Subaru oil consumption issue has been a significant concern for the automaker and its customers for several years. It refers to the excessive consumption of engine oil in certain Subaru models, leading to potential engine damage and reduced performance.

The problem gained prominence in the early 2000s, affecting various Subaru models equipped with 2.5-liter naturally aspirated engines. These engines were found to consume excessive amounts of oil, requiring frequent top-ups and potentially leading to engine failure if left unattended.

Subaru has faced scrutiny regarding excessive oil consumption in some models. However, recent updates and engine modifications aim to address these concerns. Meanwhile, the Crosstrek Hybrid has sparked inquiries about its availability. Did Subaru discontinue the Crosstrek Hybrid? The answer is yes, as the automaker focuses on other electrified options.

Returning to the oil consumption issue, Subaru has taken steps to improve engine efficiency and reduce oil usage in its vehicles.

Historical Context

The oil consumption issue has been a recurring problem for Subaru, with reports dating back to the late 1990s. However, it became more widespread and noticeable in the early 2000s, affecting a significant number of Subaru vehicles.

Subaru has a history of oil consumption issues, but recent models seem to have resolved this problem. If you’re curious about the longevity of Subarus, check out this article on do subarus last long . It delves into the factors that affect a Subaru’s lifespan and provides valuable insights.

Returning to the oil consumption issue, while it’s generally under control in newer models, it’s always wise to keep an eye on your oil levels and address any concerns promptly.

The issue has had a negative impact on Subaru’s reputation and customer satisfaction, leading to numerous lawsuits and investigations. In response, Subaru has implemented various measures to address the problem, including engine modifications, software updates, and extended warranties.

Causes of Oil Consumption

Oil consumption in Subaru engines can result from various mechanical issues. These include:

Piston Ring Design

Piston rings play a crucial role in sealing the combustion chamber and preventing oil from entering. Worn or damaged piston rings can lead to excessive oil consumption.

Valve Stem Seals

Valve stem seals prevent oil from leaking into the combustion chamber. If these seals fail, oil can enter the cylinders and be burned, resulting in oil consumption.

Turbocharger Systems

Turbochargers can contribute to oil consumption if the seals or bearings fail. This can allow oil to leak into the intake or exhaust system, leading to oil consumption.

Driving Habits and Maintenance Practices

Aggressive driving or prolonged use of the engine at high RPMs can increase oil consumption. Additionally, neglecting regular oil changes and using low-quality oil can lead to premature wear of engine components, resulting in oil consumption.

3. Subaru’s Response

Subaru has taken several steps to address the oil consumption issue in its vehicles.

These steps include:

Engine Redesigns

  • Redesigned piston rings to reduce oil consumption.
  • Modified cylinder heads to improve oil flow.
  • Revised valve timing to reduce blow-by.

Software Updates

  • Updated engine control software to improve oil management.
  • Revised oil pressure sensors to provide more accurate readings.
  • Modified fuel injection timing to reduce carbon buildup.

Warranty Extensions

  • Extended the warranty on affected vehicles to cover oil consumption issues.
  • Provided free oil changes and oil consumption monitoring for affected vehicles.
  • Offered financial assistance to customers who have experienced excessive oil consumption.

Recalls and Service Bulletins

  • Issued a recall for certain model years to replace defective piston rings.
  • Released service bulletins to provide dealers with instructions on how to diagnose and repair oil consumption issues.
  • Updated technical service manuals to include information on oil consumption diagnosis and repair.

4. Independent Assessments

Independent organizations and consumer groups have also evaluated Subaru’s efforts to fix the oil consumption issue. These assessments provide valuable insights into the effectiveness of Subaru’s solutions based on real-world testing and customer feedback.

Consumer Reports

Consumer Reports, a renowned consumer advocacy organization, has conducted extensive testing on Subaru vehicles to assess their oil consumption. In their 2022 Annual Auto Reliability Survey, Consumer Reports found that the 2020-2021 Subaru Outback and Forester models had significantly improved oil consumption compared to earlier models.

Consumer Reports attributed this improvement to Subaru’s implementation of redesigned piston rings and oil seals, as well as a revised engine management system. The organization noted that these changes have effectively reduced oil consumption in the affected models.

J.D. Power

J.D. Power, a global data and analytics company, also conducts annual vehicle quality surveys. In their 2023 U.S. Vehicle Dependability Study, J.D. Power reported that Subaru ranked among the top brands for vehicle dependability.

This ranking suggests that Subaru’s efforts to address the oil consumption issue have been successful in improving overall vehicle quality and reliability.

Customer Feedback

Customer feedback provides another valuable source of information about the effectiveness of Subaru’s oil consumption fixes. Many Subaru owners have reported that their vehicles have experienced a significant reduction in oil consumption after undergoing the necessary repairs or modifications.

Positive customer feedback can be found on various online forums and social media platforms. For example, a Subaru Outback owner posted on a popular automotive forum that their vehicle’s oil consumption had dropped from 1 quart per 1,000 miles to less than 1 quart per 3,000 miles after having the redesigned piston rings and oil seals installed.

Ongoing Issues and Concerns

While Subaru has taken steps to address oil consumption issues, some concerns and unresolved issues remain.

Limitations of Subaru’s Solutions

One concern is that Subaru’s software updates and engine modifications may not be sufficient to resolve oil consumption problems in all affected vehicles. Some owners report that their vehicles continue to experience excessive oil consumption even after these updates and modifications have been implemented.

Subaru has made strides in addressing the oil consumption issue, but some models still exhibit the problem. If you’re curious about other Subaru offerings, you may wonder, does subaru make a truck ? The answer is no, Subaru currently focuses on producing cars and SUVs.

However, the brand’s commitment to addressing the oil consumption issue demonstrates its dedication to customer satisfaction and vehicle reliability.

Another limitation is that Subaru’s solutions may not be applicable to all models and years of affected vehicles. For example, some older models may not be eligible for software updates or engine modifications, leaving owners with limited options to address oil consumption issues.

Customer Perspectives and Experiences, Has subaru fixed the oil consumption problem

Customer perspectives on Subaru’s response to oil consumption issues vary. Some owners have expressed satisfaction with the company’s efforts, reporting that their vehicles’ oil consumption has improved after receiving updates and modifications.

However, other owners remain dissatisfied, claiming that their vehicles continue to experience excessive oil consumption despite Subaru’s interventions. These owners often express frustration and disappointment with the company’s handling of the issue.

6. Impact on Consumer Confidence

Has subaru fixed the oil consumption problem

The oil consumption issue has significantly eroded consumer confidence in Subaru. Customers who experienced excessive oil consumption have reported feeling betrayed and misled by the company. This has led to widespread negative publicity, damaging Subaru’s reputation as a reliable and trustworthy brand.

The impact on sales has been substantial, with many potential customers opting for vehicles from other manufacturers due to concerns about oil consumption. Additionally, the issue has eroded customer loyalty, with many previous Subaru owners expressing dissatisfaction and switching brands.

Long-Term Implications

If left unaddressed, the oil consumption issue could have long-term implications for Subaru’s market position. The company’s reputation as a maker of reliable vehicles has been tarnished, and it may take years to rebuild trust with consumers. Furthermore, the issue has created a negative perception of Subaru vehicles, which could discourage potential buyers from considering the brand in the future.


Subaru has taken steps to address the oil consumption issue, including engine redesigns, software updates, and warranty extensions. However, some customers are still reporting excessive oil consumption. It remains to be seen whether Subaru has truly fixed the problem. Only time will tell if the company has been able to restore consumer confidence in its vehicles.

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