Disconnect the electrical connectors on each ignition coil. Pull out the locking clip and then pull the connector out while squeezing the clip.
Remove the size ten bolts on each ignition coil using a socket wrench. Remove the coil pack by pulling them up.
Check for any burn marks or cracks on the ignition coil; you can also check what ignition coil is misfiring using an OBD-II scanner.
Loosen and remove the spark plug using a 5/8 spark plug socket with a ratchet extension.
Put the new spark plug into the spark plug socket and carefully lower them into the engine. Do not allow the spark plugs to drop into the engine block, as that can lead to damage at the tip of the spark plug. Then tighten the spark plug to the proper torque specification. Recommend torque is 15ft/lbs.
Line up the new ignition coil and push them in.
Reinstall the 10mm bolts on each ignition coil.
Connect the electrical connectors back to the ignition coil. Push the connectors until they lock in.
Line up the engine cover and push it in to lock the rubber grommets.