In the last Diagnostics episode, we outlined the vital information provided by compression and leakdown testing and illustrated how to use these most important tools. These tests reveal the internal ...

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 ...

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 ...

There's nothing more intimidating for many drivers than to find a warning error light appear on your vehicle dashboard. While some may be confident in their ability ...

In the January issue, we discussed the history of OBD. This time we are going to investigate some of the technology required to meet OBD II standards. To give an idea of the magnitude of technological ...

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits. The automotive industry has a huge variety of OBD2 scanners ...