Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?

If you want to run a quick scan of your vehicle's state with no help from your mechanic, here is the best OBD software for ...

Add Yahoo as a preferred source to see more of our stories on Google. What do you do when the 'Check Engine' light comes on in your car? A lot of people just ignore it; after all, that sensor is ...

Diagnosing automotive problems used to be much more challenging. A mechanic had to use all of their skills to pinpoint mechanical or electrical issues. Nowadays, you can diagnose many problems ...