2013 Lexus IS250 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Lexus IS250 and How to Address 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 2013 Lexus IS250 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 2013 Lexus IS250 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.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

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 2013 Lexus IS250?

To effectively diagnose an oil leak in your 2013 Lexus IS250, start by visually inspecting the engine bay and the area beneath the vehicle for any signs of oil stains or puddles, which can help you locate the source of the leak. Next, check the oil level using the dipstick; a significant drop may indicate a leak that needs immediate attention. Focus on the gaskets and seals around critical components such as the oil filter, oil pan, and valve cover, as these areas are common culprits for leaks due to wear or damage. Don’t forget to examine the oil filter itself for any signs of leakage or improper installation, as this can also contribute to oil loss. Additionally, ensure that the drain plug is secure, as a loose plug can lead to leaks. If the source remains elusive, consider performing a pressure test to accurately pinpoint the leak's location. Should these steps not yield results, consulting a mechanic is advisable for a thorough diagnosis and repair, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2013 Lexus IS250?

When dealing with oil leaks in a 2013 Lexus IS250, it's essential to understand the common culprits that may be at play. One of the primary causes is the degradation of gaskets and seals, particularly the valve cover gasket and oil pan gasket, which can wear out over time and lead to leaks. Additionally, a damaged or improperly secured oil filter can also result in oil escaping from the engine, so it's crucial to ensure that the filter is in good condition and tightly fitted. Another area to inspect is the oil drain plug; if it is loose or not installed correctly, it can create a pathway for oil to leak. Furthermore, a cracked or damaged oil pan can be a significant source of leaks, often requiring replacement if the damage is severe. Lastly, overfilling the engine with oil can increase pressure and lead to leaks, so maintaining the correct oil level is vital. Regularly checking these components and addressing any issues promptly can help prevent oil leaks and maintain the health of your Lexus IS250.

How urgent is it to address the oil leak in a 2013 Lexus IS250?

When dealing with an oil leak in a 2013 Lexus IS250, understanding the urgency of the situation is crucial for maintaining vehicle performance and safety. The severity of the leak plays a significant role; minor leaks may seem manageable, but major leaks can lead to substantial oil loss, risking engine damage if not addressed quickly. Oil is vital for lubricating engine components, and a leak can result in inadequate lubrication, increased friction, and ultimately, engine failure. Moreover, safety should not be overlooked; oil dripping onto hot engine parts can create fire hazards, making immediate attention essential. Regular maintenance practices, including timely repairs of oil leaks, are key to preventing more extensive and costly issues in the future. Therefore, regardless of the leak's severity, it is advisable to act promptly to safeguard your vehicle's performance and ensure your safety on the road.

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