Even if you regularly clean the interior and exterior of your vehicle, there is a good chance that you do not clean yo ...

The negative effects of unmitigated carbon buildup can include poor fuel efficiency, loss of horsepower, check engine lights, misfires and excessive emissions.

However, if you feel compelled to show your car's engine some love, you can safely clean it using a few rags, a bottle of degreaser, or an all-purpose cleaner. We don't recommend grabbing a hose ...