2015 Mitsubishi Lancer Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2015 Mitsubishi Lancer and How to Fix Them

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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 2015 Mitsubishi Lancer 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 2015 Mitsubishi Lancer 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 steps should I take to diagnose the oil leak in my 2015 Mitsubishi Lancer?

To effectively diagnose an oil leak in your 2015 Mitsubishi Lancer, begin with a systematic approach that prioritizes simplicity before delving into more complex assessments. Start by locating the leak; check beneath your vehicle for any visible oil spots or puddles, as this can provide immediate clues about the leak's origin. Next, inspect the engine components, focusing on areas like the oil pan, valve cover gasket, oil filter, and oil drain plug, as these are common culprits for leaks. It's also essential to check your oil level; a significant drop may indicate a leak that needs urgent attention. Pay particular attention to the oil filter, as any signs of damage or leakage here can exacerbate the problem. Additionally, examine the oil pan for cracks or holes, and inspect the valve cover gasket for wear. If your initial efforts do not reveal the source of the leak or if the situation appears complicated, it may be wise to consult a professional mechanic who can conduct a thorough inspection and recommend the necessary repairs. By following this structured diagnostic approach, you can efficiently identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2015 Mitsubishi Lancer?

When dealing with oil leaks in a 2015 Mitsubishi Lancer, it's crucial to understand the common culprits that may be at play. One frequent issue is a worn or damaged oil pan gasket, which can deteriorate over time, leading to leaks. Similarly, a faulty valve cover gasket can also contribute to oil seepage, especially if it has become worn out. Another potential source of leaks is the oil filter; if it is loose or improperly installed, it can allow oil to escape. Additionally, pay attention to the oil drain plug; if it is stripped or not tightened correctly, it can lead to significant leaks. Lastly, cracked or worn seals around engine components, such as the crankshaft or camshaft seals, can also be a source of oil leaks. Addressing these issues promptly is essential to prevent further engine damage and ensure optimal vehicle performance. Regular maintenance and inspections can help you catch these problems early, allowing for effective DIY repairs.

How urgent is it to address the oil leak in a 2015 Mitsubishi Lancer?

Addressing an oil leak in a 2015 Mitsubishi Lancer is an urgent matter that should not be overlooked. The immediate concern is the risk of engine damage due to a loss of lubrication, which can lead to overheating and severe wear on engine components. This not only jeopardizes the vehicle's performance but can also result in costly repairs or even complete engine failure if left unaddressed. Furthermore, oil leaks create hazardous driving conditions, as spilled oil can make roads slippery, increasing the likelihood of accidents. From a financial perspective, delaying repairs can lead to higher fuel consumption and additional damage to other engine parts, ultimately escalating repair costs. Therefore, it is crucial to act swiftly to resolve any oil leak issues, ensuring the safety, efficiency, and longevity of your Mitsubishi Lancer.

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2015 Mitsubishi Lancer Leaking Oil: Causes & Repair Costs