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 ...

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 ...

The check engine light is one of the most dreaded alerts for any vehicle owner. Its sudden illumination often triggers anxiety about potential repairs, costly diagnostics, or unexpected breakdowns.

When the Check Engine Light shows up on your dashboard, it’s an indication that there’s a problem. In most cases, you would get out your code scanner and see what’s causing the fault. So what do you ...

When it comes to car diagnostics, there’s nothing more powerful than the OBD port. What is an OBD port, where is it located, and how is it used to keep your car in its best condition? In this article, ...

For all its '81 vehicles, GM introduced a computer-controlled engine-management system named Computer Command Control. It became known as CCC or C-3. The engine controller—first called an engine ...

Throughout your vehicle’s lifetime, you will encounter a range of issues. For instance, your brake pads may become worn, your AC unit might start to produce an unpleasant smell, or your axle may break ...

When driving a car with an automatic transmission, owners may encounter various problems with the engine control system. The most common one is the U0100 error. What ...

The range of vehicle diagnostic tools available for mobile phones is expanding. We covered some upcoming models at last year's Specialty Equipment Manufacturers Association convention. Now PLX, one of ...