2019 Mazda 6 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2019 Mazda 6 and How to Address Them Effectively

Find Repair Location
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 2019 Mazda 6 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 2019 Mazda 6 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 2019 Mazda 6?

To effectively diagnose an oil leak in your 2019 Mazda 6, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by locating the leak; inspect the area beneath your vehicle for any visible oil spots or puddles, which can provide immediate clues. Next, turn your attention to the engine components, focusing on the oil pan, valve cover gasket, oil filter, and oil drain plug, as these are common culprits for leaks. Checking the oil level is also crucial; a significant drop may indicate a leak that needs addressing. Pay special attention to the oil filter, as a damaged or improperly installed filter can lead to leaks. Additionally, examine the oil pan for cracks and ensure the oil drain plug is securely tightened, as a loose plug can easily cause oil to escape. Lastly, inspect the valve cover gasket for signs of wear, as this is another frequent source of leaks. If these steps do not reveal the source of the problem, or if you feel uncertain about your findings, it may be wise to consult a professional mechanic for a thorough diagnosis and repair. This methodical approach not only helps in identifying the leak but also ensures that you address the issue effectively and safely.

What are the common causes of oil leaks in a 2019 Mazda 6?

When dealing with oil leaks in a 2019 Mazda 6, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can wear out over time and lead to significant leaks. Another potential source is the valve cover gasket; if this component is worn or damaged, it can allow oil to seep out, creating a mess under the hood. Additionally, a leaking oil filter can be problematic, especially if it has not been installed correctly or is compromised. It's also worth checking the oil cooler for any cracks or damage, as these can lead to leaks as well. Lastly, a loose or damaged oil drain plug can result in oil escaping from the oil pan. Addressing these issues promptly is essential not only for maintaining engine health but also for ensuring the vehicle operates efficiently. Regular inspections and maintenance can help you catch these problems early, allowing for a DIY fix before they escalate into more serious concerns.

How urgent is it to address the oil leak in my 2019 Mazda 6?

Addressing an oil leak in your 2019 Mazda 6 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to insufficient lubrication of engine components, which increases friction and can result in severe engine damage over time. If left unchecked, the loss of oil can cause dangerously low oil levels, leading to overheating and potentially catastrophic engine failure. Moreover, neglecting an oil leak poses environmental risks, as leaking oil can contaminate soil and water sources, contributing to pollution. Therefore, it is essential to act swiftly to repair any oil leaks, ensuring the longevity of your vehicle and protecting the environment. Ignoring this issue could lead to costly repairs and safety hazards, making it imperative to prioritize the resolution of any oil leaks in your Mazda 6.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.