So my kitchen sink the cold water does not work! It’s super frustrating. I’ve been told it might just be the faucet but haven’t really done a whole lot to research and try and fix it.. the main water shut off is at the other house on the property so I don’t want to mess things up and not be able to shut the main water off if the shut off under my sink doesn’t work….
The set up under the sink also runs to the hose spickets outside which the cold water works out there just fine…
Probably need a new valve stem on the cold side. In any case, you need to shut the water off under the sink to fix it. Just get a new faucet. If you shut off under sink you will know if it is off, so if it’s off you have no reason to mess with main water shutoff. If it doesn’t shut off under sink for any reason that would need to be addressed anyway as well.