Ford Focus 2.0 Spark Plug & Ignition Coil Replacement

Ford Focus 2.0 Spark Plug & Ignition Coil Replacement

Is your Ford Focus engine have a rough idling, engine misfiring, and the check engine light on due to a faulty spark plug/ignition coil? Learn how to fix the problem by replacing the spark plug and ignition coil of your Ford Focus. This guide provides instructions on replacing spark plugs on a Ford Focus.

What you will need

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  • Ford focus sparkplugs


  • Small flat-head screwdriver
  • 10 mm socket
  • Ratchet or power tool
  • Sparkplug socket


  1. Put the vehicle in park.
  2. Wait for the engine to cool down.
  3. Open the hood.
  4. Remove ignition coil electrical connectors by using a small screwdriver to unlock the connectors.remove-connectors
  5. Loosen and remove 10 mm bolts that hold ignition coils in place.remove-bolts
  6. Pull out the ignition coils.pull-coils
  7. Remove the spark plugs using a spark plug socket.remove-spark=plugssparkplugs-removed
  8. Install and tighten the new spark plugs using a spark plug socket.install-spark-plugs
  9. Reinstall the ignition coils.reinstall-coils
  10. Install and fasten 10mm coil retaining bolts.reinstall-bolts
  11. Reconnect electrical connectors.reconnect-connectors

Torque Specifications

  • Spark Plugs: 11 ft/lbs

Frequently Asked Questions

What is the lifespan of Ford Focus Spark Plugs?

  • It is recommended to replace spark plugs every 100,000 miles.

Is it necessary to re-gap the spark plugs before installation?

  • Before installation, most spark plugs are pre-gapped; however, checking the gap against the manufacturer’s specifications is recommended.

How to adjust the gap of a sparkplug?

  • You can adjust the gap of a spark plug by using a feeler gauge and a plier. You have to measure the gap while adjusting it using a plier.

We hope you find the Ford Focus 2.0 Spark Plug & Ignition Coil Replacement guide helpful. Check these troubleshooting and repair guides for more help on your Ford.

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