Car owners dread few things quite as much as a vehicle's "Check Engine" light. However, the dreaded signal doesn't always foretell a worst-case scenario for motorists. They can even help prevent ...

This story appears in the March 23 print edition of Transport Topics. Click here to subscribe today. Truck technicians next year will have to deal with a pronounced increase in engine fault codes ...

The Check Engine light may indicate a serious issue with your Cummins diesel engine. Here's how to check and clear the fault ...

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 ...

GALESBURG, Mich.--(BUSINESS WIRE)--Intelligent power management company Eaton today announced its IntelliConnect ™ remote diagnostic technology can now collect and analyze Cummins powertrain fault ...

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 ...

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 ...

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 year 1970 was a pivotal one for the U.S. auto industry. With new car designs already on the assembly lines, Congress threw automakers a curveball by passing the Clean Air Act and establishing the ...

The weather is perfect, the sea calm—everything looks great for your trip. But just as you’re about to start your personal watercraft (PWC), an unfamiliar warning light flashes on the dashboard. For ...

If you've ever seen a port by your car's dashboard that can't charge your phone or provide auxiliary power from your vehicle's battery, there's a good chance that it is an OBD (On-Board Diagnostics) ...