The problem is a very simple to fix. The O-Ring that connects one hose to the P/S is bad, it has to be replace. The Honda part number is P/N 91345-RDA-A01 ...
http://www.driveaccord.net/forums/attachment.php?attachme...
The above link is a guide to help u change it.. it takes like 2minutes and u are set...
The problem as stated above is a leak, air is coming in by the O-ring not doing its proper job. Overall you need the O-ring, which runs about $1.5 from Honda dealerships and Honda P/S fluid, about $3 for a bottle.