2017 Toyota Yaris Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 Toyota Yaris and How to Address Them Effectively

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Reviewed by
Aisha
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 2017 Toyota Yaris 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 2017 Toyota Yaris 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 steps should I take to diagnose the oil leak in my 2017 Toyota Yaris?

When diagnosing an oil leak in your 2017 Toyota Yaris, it's crucial to follow a methodical approach that emphasizes simpler checks before tackling more complex issues. Start by locating the leak; inspect the ground beneath your vehicle for any visible oil spots, which can provide immediate clues about the source. Next, examine the oil pan for any cracks or damage, as this is a common area where leaks occur. Don’t forget to check the oil filter; ensure it is securely fastened and free from any signs of leakage, tightening or replacing it if necessary. The oil drain plug should also be inspected for tightness, as a loose plug can lead to significant oil loss. Additionally, take a close look at the valve cover gasket, which often deteriorates over time and can be a frequent culprit in oil leaks. Finally, inspect the oil cooler lines for any signs of damage. Throughout this diagnostic process, monitor your oil levels closely, as a noticeable drop can indicate a leak that requires immediate attention. By following this structured approach, you can effectively identify and address the source of the oil leak in your Yaris, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2017 Toyota Yaris?

When dealing with oil leaks in a 2017 Toyota Yaris, 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 and lead to leaks. Additionally, a faulty or improperly installed oil filter can also be a source of oil leakage, so it's important to ensure that the filter is correctly fitted and in good condition. Another potential problem is a loose or damaged oil drain plug, which can allow oil to escape from the oil pan. Furthermore, leaks can occur from the valve cover gasket, particularly if it has aged and lost its sealing properties. Lastly, oil cooler line leaks can contribute to oil loss, making it essential to inspect these lines for any signs of wear or damage. By being aware of these common issues, DIYers can take proactive steps to identify and address oil leaks, helping to maintain the health of their Toyota Yaris and prevent more significant engine problems down the line. Regular maintenance and thorough inspections are key to catching these issues early.

How urgent is it to address the oil leak in a 2017 Toyota Yaris?

Addressing an oil leak in your 2017 Toyota Yaris is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. An oil leak can lead to insufficient lubrication of the engine components, which increases friction and can cause severe engine damage over time. If left unchecked, the loss of oil can result in dangerously low oil levels, leading to overheating and potentially catastrophic engine failure. Moreover, oil that drips onto hot engine parts poses a significant fire hazard, putting both your safety and that of others at risk. Additionally, neglecting an oil leak can have detrimental effects on the environment, as leaked oil can contaminate soil and water sources. Therefore, it is crucial to have any oil leak inspected and repaired promptly by a qualified mechanic to ensure the safety, performance, and longevity of your vehicle.

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