1. Disconnect the negative battery terminal to prevent any electrical accidents.
2. Locate the spark plug wires for plugs 2 and 4. They are the two closest to the firewall on the passenger side of the engine.
3. Pull the spark plug wires straight up to disconnect them from the spark plugs. Be careful not to damage the wires.
4. Use a spark plug socket wrench with an extension to reach the spark plugs.
5. Place the spark plug socket over the spark plug and turn it counterclockwise until it comes out.
6. Repeat steps 4 and 5 for the second spark plug.
7. Install new spark plugs by hand until they are snug, then tighten them with a spark plug socket wrench until they are snug.
8. Reconnect the spark plug wires by pushing them down onto the spark plugs until they snap into place.
9. Reconnect the negative battery terminal.
Be sure to replace the spark plugs with the correct type and size for your engine.
