Spark Plugs: Removal
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Remove the fuel rail covers. See Figure. Remove the spark plug wires. Loosen each spark plug 1 or 2 turns. Brush or use compressed air to remove any dirt around the spark plugs. Remove the spark plugs one at a time and place each plug in a tray marked with the corresponding cylinder numbers.