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how to fix the check engine light on my Honda Civic 10th Generation (2016-2021) - Honda Civic
Home/Cars/Honda/Civic/10th Generation (2016-2021)/how to fix the check engine light on my Honda Civic 10th Generation (2016-2021)

how to fix the check engine light on my Honda Civic 10th Generation (2016-2021)

Honda Civic 10th Generation (2016-2021)

Error Codes
1-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
540 words

Problem Statement

Learn how to diagnose and fix the check engine light issue in Honda Civic 10th Generation (2016-2021). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Engine
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems.
  • •Allow the engine to cool before starting any inspections or repairs involving the engine.

Symptoms

  • •Check engine light illuminated on the dashboard
  • •Poor fuel economy
  • •Engine stalling or misfiring
  • •Rough idle or engine vibrations
  • •Unusual noises from the engine compartment
  • •Failed emissions test

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
  • •Torque wrench
  • •Multimeter
  • •Vacuum gauge

Parts Required

  • •Oxygen sensor (if applicable)
  • •Spark plugs (if applicable)
  • •Vacuum hoses or gaskets (if applicable)

Additional Information

Affected Component
Engine
Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
3 items

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Solution
1. Preparation
  • Tools Required: OBD-II scanner, socket set, torque wrench, multimeter, vacuum gauge.
  • Ensure the vehicle is parked on a level surface.
  • Turn off the ignition and disconnect the battery to prevent electrical shorts.
2. Address Error Codes
  • Use the OBD-II scanner to retrieve the error codes.
  • Research the codes to determine the affected components (e.g., oxygen sensor, catalytic converter).
  • Clear the error codes and take the vehicle for a test drive to see if they return.
3. Inspect and Repair Components
  • Oxygen Sensor Replacement:

    • Locate the oxygen sensor (usually in the exhaust system).
    • Disconnect the sensor's electrical connector.
    • Use a socket to remove the sensor and replace it with a new one, torquing it to manufacturer's specifications.
  • Spark Plug Replacement:

    • Remove the ignition coil by disconnecting the electrical connector and unscrewing the bolts.
    • Carefully remove the spark plug using a spark plug socket.
    • Install new spark plugs, ensuring they are gapped correctly and torqued to specifications.
4. Check and Repair Vacuum Leaks
  • Use a vacuum gauge to check for leaks.
  • If a leak is found, replace damaged hoses or gaskets as needed.
5. Verify Repairs and Reconnect Battery
  • Reconnect the battery and turn on the ignition.
  • Use the OBD-II scanner again to ensure no new error codes are present.