2022 Subaru WRX STI Is Leaking Oil

Address Oil Leaks in Your 2022 Subaru WRX STI Effectively

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2022 Subaru WRX STI is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A worn or damaged oil pump or filter can lead to low oil pressure, resulting in inadequate lubrication and potential engine damage.
  • Engine Gaskets: A worn or damaged engine gasket can lead to oil or coolant leaks, resulting in engine overheating or loss of lubrication.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2022 Subaru WRX STI is leaking oil?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What are the steps to diagnose the oil leak in a 2022 Subaru WRX STI?

To effectively diagnose an oil leak in your 2022 Subaru WRX STI, begin by visually inspecting the engine bay and surrounding areas for any signs of oil accumulation. Pay close attention to common leak points such as the oil filter and drain plug, as these are often the culprits. Next, check the oil level on the dipstick; a significant drop can indicate a leak. If the oil level appears low, inspect the valve cover gasket for wear or damage, as this can lead to leaks. Additionally, examine the oil pan gasket and oil cooler lines for any visible cracks or leaks. If these initial checks do not reveal the source, consider performing a pressure test on the system to uncover any hidden leaks. By following this structured approach, you can efficiently identify and address the oil leak, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2022 Subaru WRX STI?

When dealing with oil leaks in a 2022 Subaru WRX STI, it's essential to recognize the common problems that can arise. One of the primary culprits is worn or damaged gaskets and seals, which can deteriorate over time, leading to leaks. Additionally, a loose or improperly installed oil filter can create a significant issue, as it may not seal correctly, allowing oil to escape. Cracks in the oil pan, often caused by road debris or improper installation, can also result in leaks that are challenging to detect. Furthermore, a faulty oil drain plug, whether loose or damaged, can contribute to oil loss from the oil pan. Lastly, valve cover gasket leaks are another frequent issue, as these gaskets can wear out and lead to oil seeping around the valve cover. By understanding these common causes, DIYers can take proactive steps to inspect and maintain their vehicle, ensuring it remains in optimal condition. Regular checks and timely repairs can prevent minor issues from escalating into more significant problems, ultimately saving time and money.

How urgent is it to address the oil leak in my 2022 Subaru WRX STI?

Addressing an oil leak in your 2022 Subaru WRX STI is not just a matter of routine maintenance; it is a critical issue that requires immediate attention. Ignoring an oil leak can lead to severe engine damage, as the lack of sufficient oil can cause overheating and increased wear on engine components. Furthermore, a leaking oil system can compromise your vehicle's performance, resulting in decreased efficiency and power, which is particularly concerning for a performance-oriented car like the WRX STI. Beyond mechanical issues, oil leaks pose significant safety risks, as they can create slippery road conditions that may lead to accidents. Additionally, the environmental impact of oil leaks cannot be overlooked; spilled oil can contaminate soil and waterways, contributing to pollution. Therefore, it is essential to prioritize the inspection and repair of any oil leaks to ensure the safety, performance, and longevity of your vehicle.

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2022 Subaru WRX STI Oil Leak Causes & Repairs | RepairPal