How do you change spark in Ford Explorer 2008?

To change the spark plugs in a 2008 Ford Explorer, first ensure the engine is cool and disconnect the battery. Remove the engine cover if necessary, then locate the spark plugs, which are typically under the ignition coils. Carefully disconnect the ignition coil connectors, remove the coils, and then use a spark plug socket to unscrew the old spark plugs. Install the new plugs, reattach the coils, and reconnect the battery.