how to remove valve cover on 2001 Mitsubishi Galant

need to replace the valve cover gasket along with the spark plugs gasket but can't get the valve cover off. I have removed the cover bolts and the spark plugs but the valve cover won't come off. Tried tapping the cover with a block of wood and hammer. what else can I try?

Asked by for the 2001 Mitsubishi Galant
remove valve cover 1999 chevy tahoe
1 more answer
try prying it up with a putty knife around the outer edge. After time they'll get a bit stuck!