The answer to 'faucet making gurgling noise' is that a gurgling faucet is usually caused by a blockage or obstruction in the plumbing system. This can be due to a buildup of debris, mineral deposits, or air trapped in the pipes. The gurgling sound is caused by the water having difficulty flowing freely through the faucet.
Some common causes of a gurgling faucet include a clogged aerator, a problem with the faucet's internal components, or a blockage in the drain line. In some cases, the gurgling may also be caused by a problem with the home's main water supply line.