FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
why does my Honda Civic’s engine light keep coming on and off - Honda Civic
Home/Cars/Honda/Civic/10th Generation (2016-2021)/why does my Honda Civic’s engine light keep coming on and off

why does my Honda Civic’s engine light keep coming on and off

Honda Civic 10th Generation (2016-2021)

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

Problem Statement

Learn how to diagnose and fix the intermittent engine light issue 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 the battery before working on electrical systems.
  • •Allow the engine to cool before working on any components.

Symptoms

  • •Engine light illuminated
  • •Possible rough idle
  • •Decreased fuel efficiency
  • •Engine stalling or hesitation during acceleration
  • •Increased emissions
  • •Unusual noises from the engine

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
  • •Screwdriver or socket set
  • •Spark plug socket
  • •Torque wrench
  • •Multimeter

Parts Required

  • •New air filter
  • •New spark plugs (if needed)
  • •New ignition wires/coils (if needed)
  • •New gas cap (if needed)

Additional Information

Affected Component
Engine
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 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.
  • Disconnect the negative battery terminal to ensure safety.
2. Address Error Codes
  • Action: Use the OBD-II scanner to clear the stored codes after noting them.
  • Tools Required: OBD-II scanner.
3. Gas Cap Inspection
  • Action: Remove and inspect the gas cap for damage; replace it if necessary.
  • Tools Required: None.
4. Replace Air Filter
  • Action: Open the air filter housing, remove the old air filter, and install a new one.
  • Tools Required: Screwdriver or socket set (if applicable).
5. Inspect and Replace Ignition Components
  • Action: Check spark plugs, wires, and ignition coils for wear; replace if necessary.
  • Tools Required: Spark plug socket, torque wrench.
    • Sub-steps:
      • Remove ignition coil (if applicable).
      • Unscrew and replace each spark plug, ensuring to torque to manufacturer's specifications (typically around 13-16 ft-lbs).
6. Check Battery and Alternator
  • Action: Use a multimeter to measure voltage output; replace faulty components.
  • Tools Required: Multimeter.
7. Reconnect Battery
  • Action: Reconnect the negative battery terminal and ensure all connections are secure.