2019 Toyota Tacoma Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2019 Toyota Tacoma and How to Address Them

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Reviewed by
Devin Cabugcal
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 Toyota Tacoma 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 Toyota Tacoma 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 2019 Toyota Tacoma?

To effectively diagnose an oil leak in your 2019 Toyota Tacoma, 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 drips or pools, which can provide immediate clues. Next, check the oil level to determine if it is significantly low, as this can indicate a leak. Pay close attention to the oil filter and drain plug, ensuring they are securely tightened, since loose components are common culprits for leaks. Additionally, examine the gaskets and seals within the engine for signs of wear or damage, as faulty gaskets can lead to oil escaping. Look for any oil residue around the engine bay, particularly near connections and seals, which can help pinpoint the source of the leak. If the leak remains elusive, consider using UV dye in the oil system; this method can illuminate the leak's origin under UV light. Should you still be unable to identify the issue, consulting a mechanic for a professional diagnosis is advisable. By following this structured diagnostic approach, you can efficiently identify and address the oil leak in your Tacoma.

What are the common causes of an oil leak in a 2019 Toyota Tacoma?

When dealing with oil leaks in a 2019 Toyota Tacoma, it's crucial to understand the common problems that may arise. One frequent culprit is a worn or damaged oil pan gasket, which can deteriorate over time, leading 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. Another area to inspect is the drain plug; if it is loose or damaged, it can allow oil to escape from the oil pan. Furthermore, valve cover gasket leaks are common, as this gasket can wear out and result in oil seeping from the top of the engine. Lastly, don't overlook the oil cooler lines, as leaks in these lines can contribute to oil loss as well. By being aware of these potential issues, DIYers can take proactive steps to identify and fix oil leaks, ensuring the longevity and performance of their Tacoma. Regular maintenance checks are essential to catch these problems early and maintain the vehicle's health.

How urgent is it to address the oil leak in my 2019 Toyota Tacoma?

Addressing an oil leak in your 2019 Toyota Tacoma is crucial for maintaining the vehicle's performance and longevity. Ignoring this issue can lead to a cascade of problems, including reduced oil levels that compromise engine lubrication, potentially resulting in severe engine damage. The urgency of fixing an oil leak cannot be overstated; if left unattended, it may escalate into more serious complications such as engine overheating or even complete engine failure. For DIY enthusiasts, it’s essential to regularly inspect your vehicle for signs of oil leaks and take immediate action. This proactive approach not only safeguards your engine but also enhances the overall health of your Tacoma, ensuring it runs smoothly for years to come. By addressing oil leaks promptly, you can avoid costly repairs and maintain the reliability of your vehicle.

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2019 Toyota Tacoma Oil Leak Causes & Repair Options