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 ...

Code readers are diagnostic tools that every car owner should consider owning. Having one of these is as important as carrying a spare tire or a fire extinguisher in the trunk. Back in the day, before ...

Most of us cringe in fear when the check engine light in the dashboard of a modern 4x4 is tripped on. Your mind begins to spin in frustration wondering what could have triggered it, how bad it really ...

OBD Auto Doctor app reads car diagnostic codes for $15 total cost versus $150+ dealer visits, turning check engine light ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

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 ...

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 ...

What to Expect from a Porsche Diagnostic Evaluation at All German Auto Escondido, United States - March 3, 2026 / All ...