Most kitchen faucet problems come down to worn-out cartridges or O-rings, and you can replace either one in about 20 minutes with basic tools you probably already own. Nine times out of ten, that drip, leak, or weak stream you’re dealing with traces back to these small rubber and plastic parts inside your faucet that naturally wear out from daily use.
Here’s your quickest diagnostic: Turn the water off under your sink, then turn the faucet handle. If water still drips from the spout, you’ve got a cartridge issue. If you spot water pooling around the base of the faucet or under the sink, you’re looking at O-…









