Replacing a faulty oxygen sensor is the only viable solution to get your car running properly again. To this end, this article provides a step-by-step guide on how to replace a faulty oxygen sensor.

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 ...

Do you notice small black specks in your photographs, regardless of what lens you use? If so, you might have dust on your sensor. Here's how to clean up your sensor using a variety of methods.