2019 Honda Civic Is Leaking Oil

Diagnosing Oil Leak Sources in Your 2019 Honda Civic and Effective Repair Strategies

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Reviewed by
Andrew Hajjar
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 Honda Civic 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 Honda Civic 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 are the first steps to diagnose an oil leak in a 2019 Honda Civic?

When diagnosing an oil leak in a 2019 Honda Civic, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by locating the leak; inspect the area beneath the vehicle for any visible oil spots or drips, as this can provide immediate clues about the source. Next, focus on the oil pan, as it is a common culprit for leaks. Look for any signs of damage or loose bolts that may need tightening. The oil filter should also be examined, ensuring it is securely installed and free from leaks. Don’t overlook the oil drain plug; a loose plug can easily lead to oil loss, so verify its tightness. Additionally, inspect the gaskets and seals, particularly the valve cover and oil pan gaskets, for wear or damage that could be causing the leak. Finally, monitor the oil levels in the engine to assess the severity of the leak, which can guide your next steps in addressing the issue. By following this methodical approach, you can effectively diagnose and begin to resolve the oil leak in your Honda Civic.

What are the common causes of oil leaks in a 2019 Honda Civic?

When dealing with oil leaks in a 2019 Honda Civic, 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 noticeable leaks. Additionally, a faulty or improperly installed oil filter can also result in oil escaping, making it essential to ensure that the filter is correctly fitted during oil changes. Another area to inspect is the valve cover gasket, as wear and tear can cause it to fail, allowing oil to seep out. Furthermore, the oil drain plug should be checked for tightness and integrity, as a loose or damaged plug can lead to significant leaks from the oil pan. Lastly, a leak from the rear main seal is another potential source of oil loss that should not be overlooked. Addressing these issues promptly is vital for maintaining engine health and performance, and regular inspections can help catch these problems early, allowing DIYers to take action before they escalate.

How urgent is it to address the oil leak in my 2019 Honda Civic?

Addressing an oil leak in your 2019 Honda Civic is an urgent matter that should not be overlooked. Ignoring this issue can lead to a significant decrease in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication increases friction and wear, potentially resulting in costly repairs down the line. Moreover, oil leaks can create hazardous situations by allowing oil to spill onto other engine parts, such as the exhaust system, which poses a serious fire risk. The performance of your vehicle can also suffer, leading to decreased fuel efficiency and the risk of engine overheating. Additionally, continuous leaks can have detrimental effects on the environment, contaminating soil and water sources. Therefore, it is crucial to address any oil leak promptly to ensure the safety, performance, and environmental integrity of your vehicle.

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