Aug 26, 2025 · Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find the best for different situations.

Easily diagnose your car problem with code readers and diagnostic tools from AutoZone. With our variety of code readers, you can find the perfect one that will accurately operate for your vehicle.

Discover the best Code Readers & Scan Tools in Best Sellers. Find the top 100 most popular items in Amazon Automotive Best Sellers.

Diagnose your car’s engine problems with code readers & scanners from Harbor Freight. Full diagnostic capabilities. Read & clear check engine light codes. For automotive professionals …

Sep 15, 2025 · Get the read on your car issues with an OBD-II code reader. I tried out some of the top brands on the market to find the best one for your needs.

Jul 18, 2025 · This is a car code reader or diagnostic tool that allows you to communicate with the engine’s computer about what’s wrong and needs to be fixed. This system has been in use for …

Jun 22, 2025 · Discover the best auto code readers designed to help you diagnose and clear your vehicle’s engine fault codes efficiently. Whether you want to troubleshoot a check engine light …

Feb 21, 2025 · Car code readers are relatively inexpensive, making them a worthwhile investment if you want to pinpoint an issue with your vehicle without taking it to an expensive mechanic. A …

Jul 10, 2025 · This scanner reads error codes, shows live data, and checks your car’s readiness for emissions tests. It’s designed for both home mechanics and professional use.

Nov 1, 2024 · These savvy auto tools can clear the car’s trouble codes, check engine lights, and monitor the automobile’s health and information. While most of these computers offer a fairly …