Originally Posted by rugbylou
That was the first thing we tried!
Ok well… since the issue is only with that sink, I’d discount any issue with the supply lines. Not only because your other fixtures work, but because I find it difficult to believe a simultaneous issue suddenly arose on BOTH, the hot & cold water supplies to that sink.
So to my way of thinking, the issue would somehow seem to be the faucet itself. Other than a clog somewhere in it, I don’t know what it could be.
Maybe someone with more plumbing experience may be able to help you more. Good luck and keep us advised if you find the solution.