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2012-2015 Honda Civic Spark Plugs Replacement

Introduction

The owner's manual recommends that your spark plugs are changed approximately every 30,000 miles.

What you need

  1. 2012-2015 Honda Civic Spark Plugs Replacement, Spark Plugs: step 1, image 1 of 3 2012-2015 Honda Civic Spark Plugs Replacement, Spark Plugs: step 1, image 2 of 3 2012-2015 Honda Civic Spark Plugs Replacement, Spark Plugs: step 1, image 3 of 3

    • Use a flathead screwdriver to remove the two screws holding the engine cover in place.

    • Remove the engine cover.

    Edit

  2. 2012-2015 Honda Civic Spark Plugs Replacement: step 2, image 1 of 2 2012-2015 Honda Civic Spark Plugs Replacement: step 2, image 2 of 2

    • Locate the four spark plug connectors.

    • Insert a screwdriver into the space in the wire connector and lift the lid.

    Edit

  3. 2012-2015 Honda Civic Spark Plugs Replacement: step 3, image 1 of 3 2012-2015 Honda Civic Spark Plugs Replacement: step 3, image 2 of 3 2012-2015 Honda Civic Spark Plugs Replacement: step 3, image 3 of 3

    • Locate the bolt securing the ignition coil.

    • Use a wrench with a 10 mm socket to remove the bolt securing the ignition coil.

    • Once the bolt is removed, pull out the ignition coil.

    Edit

  5. 2012-2015 Honda Civic Spark Plugs Replacement: step 4, image 1 of 3 2012-2015 Honda Civic Spark Plugs Replacement: step 4, image 2 of 3 2012-2015 Honda Civic Spark Plugs Replacement: step 4, image 3 of 3

    • Locate the old spark plug.

    • Use a wrench with a spark plug socket (with a rubber grommet) to unscrew the spark plug.

    • Once the spark plug is unscrewed, pull out the wrench along with the spark plug.

    Edit

  6. 2012-2015 Honda Civic Spark Plugs Replacement: step 5, image 1 of 2 2012-2015 Honda Civic Spark Plugs Replacement: step 5, image 2 of 2

    • Ensure that the new spark plug is dry.

    • Use a gap measuring tool to ensure that the spark plug gap is appropriate.

    • It is optional to lightly coat the threads with anti-seize to help remove them in the future.

    • Do not get anti-seize on the electrodes (the gap at the top of the threads).

    Edit

  7. 2012-2015 Honda Civic Spark Plugs Replacement: step 6, image 1 of 2 2012-2015 Honda Civic Spark Plugs Replacement: step 6, image 2 of 2

    • Attach the new spark plug to the spark plug socket, and finger tighten the new spark plug.

    • Use the wrench to tighten the spark plug to 45 degrees.

    • Do not overtighten the spark plug.

    • Re-insert the ignition coil.

    Edit

  8. 2012-2015 Honda Civic Spark Plugs Replacement: step 7, image 1 of 2 2012-2015 Honda Civic Spark Plugs Replacement: step 7, image 2 of 2

    • Use the wrench with the 10 mm socket to tighten the bolt that fastens the ignition coil.

    • Re-connect the wire connecter to the ignition coil.

    Edit
Conclusion

Repeat steps for the remaining 3 spark plugs. Reattach the engine cover with the flathead screwdriver.

2 other people completed this guide.

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Anthony

Member since: 11/20/23

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