INFINITI FX50 Is Leaking Oil

Discover the Common Causes of Oil Leaks in Your INFINITI FX50 and How to Address Them Effectively

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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 INFINITI FX50 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 INFINITI FX50 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.

Troubleshooting Oil Leaks in an INFINITI FX50

When troubleshooting oil leaks in your INFINITI FX50, start by inspecting the area beneath the vehicle and around the engine seals for any visible signs of oil. This initial check can help you identify the source of the leak quickly. Next, examine the coolant reservoir; the presence of oil here could indicate a more serious issue, such as a blown head gasket. Removing the spark plugs is another crucial step; if they are coated in oil, it suggests that oil is leaking into the combustion chamber, which may point to a valve cover leak. Additionally, consider the possibility of a messy oil change, where improper installation of the oil filter or spillage can lead to leaks. After performing an oil change, always conduct a post-change checklist: start the engine, monitor for leaks, and check the oil level, adding more oil if necessary. By following this diagnostic approach, you can systematically identify and address oil leaks, ensuring your vehicle runs smoothly.

How to Diagnose and Fix Oil Leaks in an INFINITI FX50?

When tackling oil leaks in your INFINITI FX50, it's essential to understand the common problems that can arise within the engine and its components. One frequent issue is the deterioration of valve cover gaskets, which can lead to oil seeping down and around the spark plugs, potentially causing misfires or electrical arcing in the coil pack. Additionally, oil leaks can stem from worn-out oil pan gaskets or seals, which may result in noticeable puddles under the vehicle. It's also important to inspect the oil filter and drain plug, as improper installation or wear can lead to leaks. If coolant is present alongside oil, this could indicate a more serious issue, such as a failing water pump or a blown head gasket. By being aware of these common failure modes, you can better diagnose the source of the leak and determine whether a simple repair or a more extensive fix is necessary. Always consider consulting a professional mechanic if the problem seems beyond your expertise, as they can provide a thorough inspection and accurate diagnosis.

Why is it Urgent to Address Oil Leaks in an INFINITI FX50?

Addressing oil leaks in your INFINITI FX50 is not just a matter of routine maintenance; it is a critical step in safeguarding your vehicle's performance and longevity. Ignoring these leaks can lead to a cascade of problems, including decreased oil levels that may ultimately result in severe engine damage. Oil leaks can also allow oil to seep into the combustion chamber, negatively impacting engine performance and efficiency. Moreover, the presence of oil leaks often indicates underlying issues with oil system components or engine gaskets, which, if left unresolved, can escalate into costly repairs. The urgency of addressing these leaks is further underscored by the fact that they may not always be immediately visible, making it essential to conduct regular inspections. By taking prompt action, you not only enhance the reliability of your INFINITI FX50 but also protect your investment from the long-term consequences of neglect.

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