Cars are more than just oil and steel. Modern models have incorporated electronics and computer chips to help manage and optimize their mechanical components. That means maintaining your car's ...

Add Yahoo as a preferred source to see more of our stories on Google. Modern cars are technological marvels, and understanding what’s happening under the hood has never been more important—or more ...

I'm a shadetree mechanic and recently bought an OBDII/CAN scanner. I chose the cheapest unit I could find (about $25), and it seems that all it will do is read and/or clear any codes that are set.