Mitsubishi Precis Is Leaking Oil

Discover the Common Causes of Oil Leaks in Your Mitsubishi Precis and How to Fix Them Effectively

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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 Mitsubishi Precis 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 Mitsubishi Precis 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.

How to Diagnose and Fix Oil Leaks in a Mitsubishi Precis?

When tackling oil leaks in your Mitsubishi Precis, start with a thorough diagnosis to identify the source of the problem. Begin by checking the engine oil level; a low level can indicate a leak. Next, inspect common culprits such as the oil pan gasket and engine gaskets, as these are frequent sources of leaks. To enhance your search, consider using an oil-leak trace dye combined with yellow glasses and UV light, which can help you pinpoint the exact location of the leak more effectively. Once you have identified the source, proceed with the necessary repairs. If the oil pan gasket is the issue, replacing it is crucial to prevent further damage. Similarly, if the engine gaskets are leaking, they will need to be repaired or replaced. Don’t overlook other potential causes, such as a faulty oil pressure switch, clogged oil filter, or worn oil pump gears, as these can also contribute to oil leaks. By following this structured diagnostic approach, you can efficiently address oil leaks and maintain the health of your Mitsubishi Precis.

How to Diagnose and Fix Oil Leaks in a Mitsubishi Precis?

When tackling oil leaks in a Mitsubishi Precis, it's essential to understand the common problems that can arise within the vehicle's oil system. One frequent issue is the deterioration of engine gaskets, which can lead to significant leaks if not addressed promptly. Additionally, the oil pan gasket is another critical area that often fails, especially in older models, resulting in oil pooling beneath the vehicle. The 0 ring seal located on the passenger side is also a common culprit, and replacing it can often resolve leaks originating from that area. Furthermore, if you notice oil seeping from under the distributor cap, it may indicate a failing shaft seal that requires replacement. By being aware of these common failure modes, you can more effectively diagnose the source of the leak and take the necessary steps to fix it, ensuring your Mitsubishi Precis remains in optimal condition.

How to Address an Oil Leak in a Mitsubishi Precis?

Addressing an oil leak in your Mitsubishi Precis is crucial to maintaining the health of your vehicle and ensuring your safety on the road. Ignoring an oil leak can lead to severe engine damage, decreased performance, and even safety hazards due to potential engine failure. The first step is to identify the source of the leak by visually inspecting key components such as the valve cover gaskets, oil pan seals, and oil filter. Common signs of leakage include oil spots under the vehicle and a drop in oil levels. Once you pinpoint the source, you can decide whether to repair or replace the faulty component. For instance, if the leak originates from the oil pan gasket, replacing it promptly can prevent further complications. If you're uncertain about the repair process or if the issue seems complex, consulting a professional mechanic is advisable to avoid exacerbating the problem. Taking immediate action not only protects your engine but also saves you from costly repairs down the line.

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