2020 Mitsubishi Mirage Is Leaking Oil

Troubleshooting Oil Leaks in Your 2020 Mitsubishi Mirage: Causes and Repair Solutions

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Reviewed by
Bo Fader
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 2020 Mitsubishi Mirage 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 2020 Mitsubishi Mirage 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.

Oil pans don't wear out or break like other parts, they generally only need to be replaced because of external damage from an accident or an improperly tightened drain plug. The main symptom you will experience is an oil leak underneath the engine of your car. The oil that leaks from a damaged oil pan will range from dark brown to dark black. If the leak is large enough or occurs for long enough the oil level will be low enough to turn the oil pressure or low oil level warning light on.

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 initial diagnostic steps to take for an oil leak in a 2020 Mitsubishi Mirage?

When faced with an oil leak in your 2020 Mitsubishi Mirage, it's essential to adopt a systematic diagnostic approach. Start by locating the source of the leak; this involves checking underneath the vehicle for any visible oil spots or drips. Once you have a general area, inspect the oil pan for signs of damage or corrosion, as this is a common culprit for leaks. Next, examine the oil filter, ensuring it is properly secured and free from leaks, as a loose connection can lead to oil escaping. Don’t forget to check the oil drain plug; it should be tightly fastened to prevent any leakage. Additionally, inspect the valve cover gasket for wear or damage, as this can also be a source of oil leaks. If your Mirage is equipped with an oil cooler, evaluate it for any signs of leaks or damage. By following these steps, you can effectively diagnose the issue and take the necessary actions to resolve the oil leak, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2020 Mitsubishi Mirage?

When dealing with oil leaks in a 2020 Mitsubishi Mirage, it's crucial to understand the common problems that may arise. One of the primary culprits is a worn or damaged oil pan gasket, which can deteriorate over time, leading to oil seepage. Additionally, a faulty oil filter can contribute to leaks, especially if it is improperly installed or defective. Another area to inspect is the drain plug; if it is loose or damaged, it may not seal the oil pan effectively, resulting in leaks. Valve cover gasket leaks are also a frequent issue, as these gaskets can wear out and allow oil to escape. Lastly, the oil cooler seal is another potential source of leaks that should not be overlooked. Addressing these issues promptly is essential to maintain engine health and performance, and regular inspections can help catch these problems early, allowing DIY enthusiasts to take action before they escalate.

How urgent is it to address the oil leak in my 2020 Mitsubishi Mirage?

Addressing an oil leak in your 2020 Mitsubishi Mirage is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Oil leaks can significantly reduce oil levels, leading to inadequate lubrication of engine components, which can cause severe damage over time. If left unchecked, the consequences can escalate quickly, resulting in engine overheating, increased fuel consumption, and ultimately, catastrophic engine failure. Regularly inspecting your vehicle for signs of oil leaks and acting promptly can help safeguard your car's performance and longevity. While DIY repairs may seem tempting, it is crucial to recognize that professional inspection and repair are often necessary to ensure the safety and reliability of your vehicle. Ignoring an oil leak can lead to more extensive and costly repairs down the line, making it essential to prioritize this issue for the health of your Mitsubishi Mirage.

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