The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

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 ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

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?

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 ...

An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems. This information can help inform the user as to what the source of a problem ...

A basic OBD scanner can help check a used car, but it cannot reliably prove that the odometer reading is genuine.

View post: Shoppers Say DeWalt's Circular Saw 'Cuts Like a Hot Knife Through Butter' — And It's 32% Off at Amazon Something we all dread seeing is the check engine light popping up on our dash.

View post: Walmart Has a 'Very Bright' $18 Rechargeable Work Light That's Perfect for Working on Cars And right now at Amazon, you can get the Panlong OBD2 Diagnostic Scan Tool for only $28, less than ...