When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or ...

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 ...

Whether you're an everyday driver or a pro technician, when your check engine light suddenly comes on the first step is to connect an OBD-II scanner. At Autoweek, we recommend everyone carry an OBD-II ...

You hear a new, disturbing noise coming from your engine, open the hood, look around, and find nothing. Now what? Before you reach for a conveniently-placed torque wrench to try the ol’ “love tap,” ...

The automotive industry has a huge variety of OBD2 scanners that come in a wide range of price tags starting from less than $100 and going up as high as $10,000. This glut of options is probably the ...

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 ...

If your gas-powered car was manufactured after 1991, it is most likely equipped with a mandatory On Board Diagnostic (OBD) system – a computer that monitors the health of the engine and various other ...