1. Remove the air filter housing.
2. Disconnect the wiring harness(es) that connect to the front ignition coil(s).
3. Remove the front ignition coil bolts.
4. Remove the front ignition coils.
5. Remove the spark plugs.
Rear spark plugs
1. Remove the ignition coil bolt covers on the front driver and passenger sides of the engine.
2. Disconnect the wiring harnesses from the rear ignition coils.
3. Pry between the coils and bracket (if necessary).
4. Replace the spark plugs.
5. Reinstall the ignition coils and bolt covers.
