2021 Ford Ranger Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2021 Ford Ranger and How to Fix Them

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Reviewed by
Bo Fader
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 Ford Ranger 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 Ford Ranger 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 2021 Ford Ranger?

To effectively diagnose an oil leak in your 2021 Ford Ranger, begin by systematically assessing the situation using a diagnostic approach. Start with a visual inspection under the vehicle to locate any visible signs of oil, such as drips or pools, which can help you identify the leak's source. Next, check the oil level in your engine; a significantly low level may indicate a leak, and examining the oil's color and consistency can provide clues about potential issues. Pay close attention to gaskets and seals around critical areas like the oil pan and valve cover, as these are common culprits for leaks. Additionally, inspect the oil filter and drain plug to ensure they are secure and not leaking. If the source remains elusive, consider adding UV dye to the oil, which can help you pinpoint the leak when illuminated with a UV light. If these steps do not yield results, consulting a qualified mechanic is advisable for a thorough inspection and professional diagnosis. This methodical approach not only helps in identifying the problem but also ensures that you address simpler issues before moving on to more complex diagnostics.

What are the common causes of oil leaks in a 2021 Ford Ranger?

When dealing with oil leaks in a 2021 Ford Ranger, 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, leading to leaks. Similarly, the valve cover gasket is another component that can deteriorate, allowing oil to escape from the engine's top. Additionally, a faulty or improperly installed oil filter can contribute to leaks, making it essential to ensure that this part is correctly fitted. Another potential source of oil leaks is a loose or damaged oil drain plug, which can compromise the integrity of the oil pan. Lastly, a cracked or damaged oil cooler can also be a significant factor in oil leakage. Addressing these issues promptly is vital to prevent engine damage and maintain your vehicle's performance, so regular inspections and maintenance are recommended for any DIY enthusiast looking to keep their Ford Ranger in top shape.

How urgent is it to address the oil leak in my 2021 Ford Ranger?

Addressing an oil leak in your 2021 Ford Ranger is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of engine components, which may result in severe engine damage over time. Furthermore, neglecting this problem can cause the engine to overheat, potentially leading to costly repairs or even complete engine failure. The safety implications are equally concerning, as leaking oil can drip onto hot engine parts, creating a fire hazard. By regularly monitoring for oil leaks and addressing them promptly, you can maintain your vehicle's performance and extend its lifespan. Therefore, it is crucial to take action as soon as you notice any signs of an oil leak to avoid further damage and ensure your safety on the road.

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2021 Ford Ranger Oil Leak Causes & Repairs | RepairPal