John K Cincinnati , OH July 19, 2025 Appliance: KitchenAid Dishwasher KDTE334GPS0 Kitchenaid Dishwasher Kdte334gps0: F4 e4. How to replace Sump Filter. Replaced the circulation pump and valve assembly on the bottom of the unit. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes