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 ...

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 ...

We found out more in just a few seconds than we would have using every diagnostic tool on the Snap-On truck. Besides the snapped belt, which didn't take a phone call to figure out, we learned that ...

Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

A car can be compared to the human body and may need diagnostic tests very often. For humans, when a patient consults a doctor about a symptom, the doctor runs a medical diagnostic test to ascertain ...

A check engine light can mean anything from minor to major — so in this video, we dive straight into diagnosing what went wrong with the BMW. Using proper scanning tools and hands-on testing, we track ...

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 ...

Gas turbine engines are integral to modern power generation and aviation, necessitating robust control systems and precise diagnostic methodologies to ensure safe, efficient, and reliable operation.

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) ...