To fix a loose kitchen faucet, first, turn off the water supply and disassemble the faucet handle. Tighten any loose mounting nuts or screws underneath the sink. Reassemble the faucet and turn the water supply back on to check for leaks. Ensure all parts are secure for proper function.

Fix a loose faucet by turning off water, tightening mounting nuts or screws, and reassembling. Check for leaks and ensure secure installation.