The regulator controls fuel pressure for your engine. When it goes bad, signs include misfires, black exhaust smoke, stalling, or no-start issues.

The ability to measure carbon dioxide sets some air quality monitors apart from others. High CO2 levels signal that air circulation in your home is poor, which can in turn lead to headaches and ...

Most modern vehicles come with two transmission speed sensors, which are responsible for monitoring the input and output shaft speeds of the transmission. These sensors send information to your car's ...

If your turbocharger isn't performing how it should, you could be looking at expensive repairs. Here are the warning signs to watch for.

Indoor air pollution can reach levels five times higher than what's found outdoors. I spoke with specialists to understand the most frequent culprits.