The Andowl OBD2/EOBD Scanner is a powerful tool for diagnosing engine problems in your car. It can read and clear fault codes, allowing you to quickly identify issues with your vehicle. The scanner also displays real-time oxygen test data, enabling you to monitor the performance of your car's engine. With the ability to view frozen frame data and check i/m status, you can get a complete picture of your vehicle's health. Additionally, the scanner allows you to observe vehicle information, including VIN, CIN, and CVN, providing you with all the information you need to keep your car in top condition.