2021 Honda Insight Is Leaking Oil

Diagnosing Oil Leak Sources in Your 2021 Honda Insight and Recommended Repair Solutions

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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 2021 Honda Insight 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 2021 Honda Insight 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 first steps to diagnose an oil leak in a 2021 Honda Insight?

To effectively diagnose an oil leak in your 2021 Honda Insight, start by locating the source of the leak. Begin by inspecting the area beneath your vehicle for any visible oil spots or puddles, as this can give you a clue about where the leak is originating. Once you have a general idea, examine the oil pan closely for any cracks or damage, as this is a common culprit for leaks. Next, check the oil filter to ensure it is securely installed and not leaking oil. Don’t forget to inspect the oil drain plug; it should be tight and free from any signs of oil seeping around it. Additionally, take a moment to look at the gaskets and seals within the engine, as wear and tear can lead to leaks. Finally, monitor your oil levels regularly to assess the rate of loss, which can help you narrow down the leak's location. By following this methodical approach, you can effectively identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2021 Honda Insight?

When dealing with oil leaks in a 2021 Honda Insight, 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 leaks. Additionally, a faulty or improperly installed oil filter can also be a source of oil leakage, making it essential to ensure that the filter is correctly fitted during oil changes. Another common problem is the valve cover gasket, which can deteriorate with age, resulting in leaks that may go unnoticed until they cause significant issues. Furthermore, a loose or damaged oil drain plug can allow oil to escape from the oil pan, necessitating a thorough inspection of this component. In more severe cases, a cracked engine block may be the root cause of oil leaks, although this is less common. Addressing these issues promptly is vital to maintaining the health of your engine and ensuring optimal vehicle performance, so regular maintenance and inspections are highly recommended for any DIY enthusiast.

How urgent is it to address the oil leak in my 2021 Honda Insight?

Addressing an oil leak in your 2021 Honda Insight is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Oil leaks can significantly reduce oil levels, leading to inadequate lubrication of engine components, which can cause severe engine damage over time. Moreover, if left unchecked, an oil leak can escalate into more serious problems, such as engine overheating or even catastrophic engine failure, which can be costly to repair. Additionally, the safety risks associated with leaking oil cannot be overlooked; oil dripping onto hot engine parts poses a fire hazard that could endanger both you and your vehicle. By promptly addressing the oil leak, you not only safeguard your car's performance and longevity but also protect yourself from potential safety hazards. Therefore, if you notice any signs of an oil leak, it is crucial to take action immediately to prevent further complications and ensure the continued health of your Honda Insight.

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