http://wiki.ross-tech.com/index.php/16824/P0440/001088
http://wiki.ross-tech.com/index.php/16806/P0422/001058
http://wiki.ross-tech.com/index.php/16687/P0303/000771
The P0440 is related to P0303. I would fix P0303 before doing any of the other services. This code is more than likely the # 3 ignition coil pack. If your coil pack has a unseen crack, when it rains moister finds it's way into the pack and causes problems until it dries out.