reset the check engine light, and access live data directly from the car's computer. Plus, certain high-end code readers have their own smartphone apps. This allows users to use their smartphones ...

Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

Most engine code readers are easy to use, but make sure you go over the instructions first. Plug in the device into the OBD2 port and then turn it on. Then the device will start to diagnose any ...

These systems will display a check engine light (CEL ... I'll help you understand a few methods you can use to identify CEL codes without a scanner. Keep in mind that not all of these methods ...