It’s certainly not an uncommon or unfair reaction to freak out a bit when the check engine light in your car comes ... out yourself with a handy engine code reader. Engine code readers span ...

These systems will display a check engine light (CEL) if the car's computer ... a few methods you can use to identify CEL ...

Yes, vehicle owners can diagnose the check engine light at home with a check engine light code reader or scan tool, many of which are available for under $25. These monitors often include the words ...

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 ...

Although most check-engine malfunctions will require a code reader to diagnose, something simple to try is to make sure your gas cap is tightened — particularly if the light came on just after ...

In order for our cars to carry us to and from our various destinations reliably, all the parts must work together smoothly. The fuel and air intake systems provide the ingredients necessary to ...

To diagnose what’s triggering your check engine light, you can retrieve the codes by using an OBD-II scanner. This can be done by a mechanic, or you can purchase a code reader from an auto parts ...

As an example, the author recently had a check-engine light that flagged a diagnostic trouble code, "U1408," which ... either an OBD-1 or an OBD-2 type scanner, depending on the model year of ...