One dirty sensor could be hurting your car’s performance — learn which one it is, the symptoms to watch for, and how to clean it easily.

There are two ways to deal with a bad MAF sensor: clean it or replace it. Both of these jobs are pretty easy, but they require some mechanical know-how and a handful of basic tools.

One dirty sensor could be hurting your car's performance - learn which one it is, the symptoms to watch for, and how to clean it easily.