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An OBD scanner is a powerful tool that can unlock the secrets of your vehicle's engine and help you keep it running smoothly. OBD stands for On-Board Diagnostics, which refers to the computer systems that control and monitor various components of your vehicle. An OBD scanner is a device that can communicate with these systems and provide you with valuable information about your vehicle's performance and health. OBD scanners come in a variety of shapes and sizes, from handheld devices to Bluetooth-enabled dongles that can connect to your smartphone or tablet. They are incredibly easy to use and can provide a wealth of information about your vehicle's engine, including real-time data on fuel efficiency, engine performance, and emissions. One of the great things about OBD scanners is their versatility. They can be used by both professional mechanics and amateur car enthusiasts to diagnose and troubleshoot problems with their vehicles. With an OBD scanner, you can identify issues with your engine before they become more serious and costly to repair, allowing you to take action and keep your vehicle running smoothly.