December 14, 2023

Solving Acura NSX Oil Leaks (2007-2012) : Identify and Fix

Is your Acura NSX Oil Pressure Sensor causing an Oil Leak?

Acura NSX oil leak Acura NSX (2007-2012) commonly experience issues with the Oil Pressure Sensor, you likely have an oil leak. I’ve experienced this firsthand. The cause is usually the oil pressure sensor. Let’s take a closer look into why this happens and how to fix it.

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Understanding the Oil Pressure Sensor in the Acura NSX

The oil pressure sensor in your NSX plays a critical role. It monitors the oil pressure in the engine and sends this data to the car’s computer system. This sensor ensures your engine is running under optimal conditions. Over time, regular wear can cause leaks in this sensor, leading to issues.

Why Do Oil Pressure Sensors Leak?

Age and wear are the main reasons. With time, the seals around the sensor can degrade. Vibrations and heat cycles from the engine also contribute to the wear. These factors combined can lead to oil leaks, specifically in the 2007-2012 Acura NSX models.

Identifying an Oil Leak in Your Acura NSX

  1. Spotting the Leak: Look for oil spots under your car.
  2. Checking the Engine: Open the hood. Check around the oil pressure sensor for signs of oil.
  3. Monitoring Oil Levels: Regularly check your oil level. A sudden drop might indicate a leak.

Troubleshooting the Oil Leak

  1. Inspect the Oil Pressure Sensor: Locate the sensor near the engine block. Look for oil residue around it.
  2. Test the Sensor: You can use a diagnostic tool to read the oil pressure. Low readings might indicate a leak.

Fixing the Oil Leak

  1. Gather Tools: You’ll need basic tools like wrenches and a new sensor if needed.
  2. Safety First: Ensure the engine is cool and the car is safely parked.
  3. Remove the Sensor: Carefully unscrew the old sensor. Be gentle to avoid damage.
  4. Install a New Sensor: If the old one is faulty, replace it with a new one.
  5. Check for Leaks: After installation, run the engine and check for leaks.

Other Related Codes

Various OBD (On-Board Diagnostics) codes can be related to oil pressure sensor issues in the NSX. These include:

  • P0520: Engine Oil Pressure Sensor/Switch Circuit
  • P0521: Engine Oil Pressure Sensor/Switch Circuit Range/Performance
  • P0522: Engine Oil Pressure Sensor/Switch Circuit Low Voltage
  • P0523: Engine Oil Pressure Sensor/Switch Circuit High Voltage

Each code gives specific information about the nature of the problem.  See them all here.

Final Thoughts

Addressing oil leaks in your 2007-2012 Acura NSX can be straightforward with the right approach. Regular checks and maintenance can prevent bigger issues. Always consult a professional if you’re unsure. Your NSX deserves the best care to keep it running smoothly.