Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

If your vehicle is throwing a check engine light, but you don't have a diagnostic scanner handy, here are three tricks to try before seeing a mechanic.

If your vehicle check engine light is illuminated, you can access the OBD-II port with a proper scanner and, odds are, it can give you a code that indicates where the issue is located.

OBD II Code Readers: Standalone scanners such as leagend T31, leagend T41, T59, and leagend T49 provide fast and reliable engine diagnostics for various vehicle types.

OBD-II diagnostic device BlueDriver interprets engine error codes to suggest what might need fixing, and lets you know if your car is ready for a smog check.

California has strict regs for dropping OBD II Engines in OBD II Chassis. Most LS motors don’t use a smog pump; if they did, it was electric.

Check out how to read OBD-II engine codes and learn what they all mean. Get all the details here in this month's issue of Turbo & High-Tech Performance.

Got a check engine light? Trying to run a diagnostics check but you're still wondering what those OBD 1 codes mean? Check out what engine codes your ECU may throw out and what they mean. Get all ...