Harbor Freight carries a wide-variety of products, including diagnostic tools like the Icon T10, but it comes at a price.

If you have a check engine light on, a diagnostic tool is great for troubleshooting the problem. Here's what you need to know ...

To identify, diagnose, and clear these codes, we use special tools called OBDII scan readers or scanners. If you don't have access to a scan tool or aren't sure how to use a code reader to clear ...