2012 Mitsubishi Outlander Sport Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2012 Mitsubishi Outlander Sport and How to Fix Them

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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 2012 Mitsubishi Outlander Sport 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 2012 Mitsubishi Outlander Sport 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 2012 Mitsubishi Outlander Sport?

To effectively diagnose an oil leak in your 2012 Mitsubishi Outlander Sport, begin by visually inspecting the vehicle for any signs of oil pooling or dripping underneath. This initial step helps you locate the leak's source. Next, check the oil level; a significant drop may indicate a leak, so monitor how quickly the oil level decreases to gauge the severity. Pay close attention to the oil filter and drain plug, as these components are common culprits for leaks due to looseness or damage. Additionally, examine the gaskets and seals within the engine, as wear and tear can lead to oil escaping from various areas. If the source remains elusive, consider using UV dye, which can help pinpoint the leak when illuminated with a UV light after running the engine. Should these steps not yield results, consulting a mechanic is advisable for a thorough inspection and professional guidance on repairs. By following this diagnostic approach, you can systematically identify and address the oil leak issue in your vehicle.

What are the common causes of oil leaks in a 2012 Mitsubishi Outlander Sport?

When dealing with oil leaks in a 2012 Mitsubishi Outlander Sport, 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. Additionally, a faulty oil filter or its seal can also be a source of oil leakage, often manifesting as oil pooling around the filter area. Another area to inspect is the valve cover gasket; if this component wears out, it can allow oil to escape from the top of the engine. Furthermore, don’t overlook the oil drain plug, as loose or damaged plugs can lead to significant leaks from the oil pan. Lastly, cracks or damage to engine components can also result in oil leaks, which may require more extensive repairs. By regularly inspecting these areas and addressing any signs of wear or damage, DIY enthusiasts can effectively manage oil leaks and maintain their vehicle's performance.

How urgent is it to address the oil leak in my 2012 Mitsubishi Outlander Sport?

Addressing an oil leak in your 2012 Mitsubishi Outlander Sport is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of engine components, which may result in severe damage over time. Furthermore, if left unchecked, the lack of proper lubrication can cause the engine to overheat, potentially leading to costly repairs or even complete engine failure. The safety risks associated with oil leaks cannot be overlooked either; leaking oil can drip onto hot engine parts, creating a fire hazard that endangers both the vehicle and its occupants. By promptly addressing the oil leak, you not only prevent further damage to your engine but also ensure the longevity and reliability of your vehicle. Therefore, it is crucial to take action as soon as you notice any signs of an oil leak to safeguard your investment and maintain safe driving conditions.

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