[jimcol]

Some on this forum have reported that the check valve, spring & disc, where you hook the city water hose gets crooked and gives a partial blockage.Think when I had the issue the screen on the washer was deformed causing the check valve to be in a cocked position. When the screen wasn't the issues some have been able to resolve the issue by exercising the spring with their finger or a screw driver. On mine you have to remove the washer/screen to exercise the check valve. Easiest & fastest place to check.