Check price at Amazon OXICAT Oxygen Sensor & Catalytic Converter Cleaner is designed to clean and restore the performance of oxygen sensors and catalytic converters.

Christopher Breen has a dirty little secret -- the sensor on his digital SLR is smudged with gunk. But with the help of experts, the right tools, and a little patience, he was able to remove the ...

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.