Replaced dishwasher and ran a test cycle with positive results (water in the unit while running). Then the HOT water in the kitchen sink was suddenly very low. We then ran a full load (successfully), and now both hot and cold are very low pressure. I flushed the pipe going to the dishwasher, and it worked fine. The pipe going to the dishwasher is THE ONLY pipe that has high water pressure. Even when not connected to the dishwasher. All of the rest of the pipes going to the sink faucet it's self have no pressure. I've removed the aerator and there is still low pressure without it on.

Hi Cap

At this point, I would close and then reopen the shut off valves going to the faucet... see if you can release the crud caught up in the valves... see if that improves things (may need to clear aerator again).

If that fails to fix things, then I would suggest disconnecting the hoses from the shut off valves and put a towel over the top and flush the shut off valves out (or direct supply hoses into a bucket). At this point you will check the volume/pressure flow... if volume/pressure is good from both shut off valves then unfortunately, you will need to disassemble the faucet and flush the valve and clean/clear the cartridge to the faucet. If volume/pressure is an issue at this point, you will need to disassemble the shut off valves and clear them of sediment/debris.

Start there... good luck!

Mark