FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
why does my Honda Civic have low oil pressure warning light on - Honda Civic
Home/Cars/Honda/Civic/10th Generation (2016-2021)/why does my Honda Civic have low oil pressure warning light on

why does my Honda Civic have low oil pressure warning light on

Honda Civic 10th Generation (2016-2021)

Error Codes
2-4 hours
Time
medium
Difficulty
high
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
586 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix low oil pressure warning light in Honda Civic. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Engine
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems.
  • •Allow engine to cool before opening the oil drain plug.

Symptoms

  • •Low oil pressure warning light illuminated on the dashboard
  • •Engine making unusual noise (ticking or knocking)
  • •Poor engine performance or stalling
  • •Oil leaks under the vehicle
  • •Engine overheating

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Socket set
  • •Oil filter wrench
  • •Mechanical oil pressure gauge
  • •Torque wrench
  • •Multimeter

Parts Required

  • •New engine oil (0W-20 or 5W-20)
  • •New oil filter
  • •Oil drain plug gasket (if necessary)
  • •Oil pressure sending unit (if faulty)

Additional Information

Affected Component
Engine
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
6 items
Parts Required
4 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a flat surface and the engine is cool.
  • Disconnect the battery to prevent any electrical shorts.
2. Change Engine Oil and Filter

  1. Drain Old Oil

    • Place a drain pan under the oil pan.
    • Remove the oil drain plug using a socket wrench and allow the old oil to fully drain.
    • Replace the drain plug and torque to manufacturer specifications (typically around 20-30 lb-ft).

  2. Replace Oil Filter

    • Use an oil filter wrench to remove the old oil filter.
    • Apply a light coat of new oil to the rubber gasket of the new oil filter.
    • Install the new oil filter hand-tight, ensuring it is sealed properly.

  3. Add New Oil

    • Pour new engine oil into the oil filler cap using the recommended oil type (usually 0W-20 or 5W-20 for Honda Civics).
    • Check the oil level with the dipstick and add oil as necessary to reach the full mark.
3. Inspect and Repair Oil Pressure System

  1. Check Oil Pressure Sending Unit

    • Locate the oil pressure sending unit (typically near the oil filter).
    • Disconnect the electrical connector and remove the sending unit.
    • Test the sending unit with a multimeter to ensure it is functioning correctly; replace if faulty.

  2. Inspect Oil Pump

    • If low oil pressure persists, remove the oil pan to access the oil pump.
    • Inspect the oil pump for wear or damage and replace if necessary.
    • Ensure the oil pump pickup tube is free of debris.