Chosen Solution

The air pipe on the top of my sink gushes out water during one of the dishwasher cycles (which one -??). I already disconnected the rubber hose under the sink that goes from the breather to the disposal and it was clear - what else should I look at? Would a shop vac over the breather pipe clear out any blockages? I’m stumped. Dave

Her’s a diagram of how it is plumbed. After checking lines I would run disposal to make sure it is clear: http://misterfix-it.com/water-coming-out