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
- Ford focus sparkplugs
- Small flat-head screwdriver
- 10 mm socket
- Ratchet or power tool
- Sparkplug socket
- Put the vehicle in park.
- Wait for the engine to cool down.
- Open the hood.
- Remove ignition coil electrical connectors by using a small screwdriver to unlock the connectors.
- Loosen and remove 10 mm bolts that hold ignition coils in place.
- Pull out the ignition coils.
- Remove the spark plugs using a spark plug socket.
- Install and tighten the new spark plugs using a spark plug socket.
- Reinstall the ignition coils.
- Install and fasten 10mm coil retaining bolts.
- Reconnect electrical connectors.
- 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.