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TheFishBanjo t1_it89c85 wrote

So many possibilities --

  1. The pipes around the trap under your sink are partially blocked. Mine were full of cabbage once!

  2. Debris has gotten passed the screen into the sump area, partially blocking flow.

  3. The drain line from the dishwasher is plugged up with some gunk. I had that one my washer but it could happen to a DW.

  4. The impeller on the pump motor is having some trouble. Either gunked up -or- the impeller has become loose on the motor shaft -or- motor isn't spinning full speed.

That would be my order of attack. For the last one, I take the dishwasher out and lay it face down on the floor on a blanket to access the equipment on the bottom.

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