In the Last diagnostics article, we outlined how to retrieve and decipher engine diagnostics for engines running OBD-I engine management computers. OBD or On Board Diagnostics is a subsystem of the ...

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 ...

It is obvious—painfully so, to some—that vehicles have become considerably more dependent on electronics. We are all aware that performance gains on our new cars often aren't as easily obtainable as ...

The new Pro-Link+ from Snap-on combines hardware and software for a complete code-based diagnostic and repair platform for all makes of trucks. It provides a direct path from pulling a fault code via ...

What Is A Basic Drive Cycle? A basic drive cycle is a simplified version of a standard drive cycle used to evaluate the performance of a vehicle's onboard diagnostic (OBD) system. Unlike a standard ...

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?

Starting in 2010, heavy-duty diesel engines will begin carrying emissions-monitoring technology as part of onboard diagnostic (OBD) systems similar to those now found on passenger cars. A new rule ...

All modern combustion-powered vehicles are equipped with an OBD II port that allows for quick and easy diagnostics but in the world of electric vehicles, things are not so simple. In fact, there is no ...