Replace Oil Pressure Switch Honda Pilot

7 Essential Tips for Replacing Oil Pressure Switch Honda Pilot

by

Comprehensive Guide for Replacing the Oil Pressure Switch in a 2014 Honda Pilot

What are the Symptoms of a Failing Oil Pressure Switch?

  1. Check Engine Light (CEL) with code P3400.
  2. Vehicle may enter limp mode.
  3. Engine stuttering or loss of power.
  4. VSA (Vehicle Stability Assist) light may be illuminated.

How to Diagnose the Oil Pressure Switch Issue?

  1. Use an OBD-II scanner to retrieve the trouble code P3400, which indicates an issue with the oil pressure switch circuit.
  2. Check the oil pressure switch electrical connector for any signs of damage or corrosion.
  3. Perform a visual inspection of the oil pressure switch and surrounding area for any leaks or damage.
  4. Measure the oil pressure using a manual gauge to confirm if the issue is with the sensor or the actual oil pressure.

What Tools and Supplies are Required?

  1. Tools:
  2. Ratchet socket/box wrench.
  3. 24mm deep socket.
  4. Torque wrench (set at 13 ft pounds).
  5. Pick or small pry bar.
  6. Socket set.

  7. Oil catch pan.

  8. Supplies:

  9. New oil pressure switch (part# 37240-R70-A04).
  10. New O-ring (part# 91319-PAA-A01).
  11. Engine oil for lubricating the new O-ring.
  12. Clean rags.

How to Replace the Oil Pressure Switch?

  1. Preparation:
  2. Pop the hood and ensure the engine is cool.

  3. Remove the engine cover to access the oil pressure switch.

  4. Locate the Oil Pressure Switch:

  5. The oil pressure switch for the VCM module is typically located on the engine block, near the firewall, and associated with bank 1.

  6. Disconnect Electrical Connector:

  7. Locate the electrical connector to the oil pressure switch and disconnect it.

  8. Remove the Oil Pressure Switch:

  9. Use a 24mm deep socket to remove the oil pressure switch. You may need to use a ratchet and extension to reach the switch.

  10. Use a pick to remove the existing O-ring, which may be stuck on the engine.

  11. Clean the Surface:

  12. Clean the surface where the new O-ring will be installed to ensure a proper seal.

  13. Install the New O-ring and Oil Pressure Switch:

  14. Lubricate the new O-ring with engine oil.
  15. Place the new O-ring on the engine contact.
  16. Thread the new oil pressure switch into place, ensuring the O-ring is properly seated.

  17. Torque the switch to the specified 13 ft pounds.

  18. Reconnect Electrical Connector:

  19. Reconnect the electrical connector to the new oil pressure switch.

  20. Replace Engine Cover and Check for Leaks:

  21. Replace the engine cover and start the engine to check for any leaks around the new oil pressure switch.

What are the Common Troubleshooting Tips?

  1. Common Symptoms:

  2. If the oil pressure switch fails, the engine may enter limp mode, and the VSA light may come on. The vehicle may also experience stuttering or loss of power.

  3. Expected Costs:

  4. Parts cost: Approximately $276 for the oil pressure switch and O-ring.
  5. Labor cost: Estimated between $42 and $53.

  6. Total estimated cost: Between $319 and $330.

  7. Estimated Time Required:

  8. The replacement process typically takes about 1-2 hours, depending on the technician’s experience and the accessibility of the oil pressure switch.

References:

  1. YouTube Video: Honda V6 Oil Pressure Switch Replacement (Code P3400)
  2. RepairPal: Honda Pilot Oil Pressure Sensor Replacement Cost
  3. Amazon Product Description: Oil Pressure Sensor Switch Sending Unit

Leave a Comment