Bosch 24 in. SHE44C02UC / SHE44C06UC / SHE44C07UC Built-in Dishwasher "print under 40 turn power" Questions

...40 It is 3-4 years old. Recently I noticed that the cycle times have gotten much longer. Since then there is a sewer smell in the washer especially when starting a new cycle it comes out of the ...