Did you know that you can identify problems with your car's engine using just your cell phone? With the app OBD Auto Doctor, this has become easier than ever. It connects to the vehicle's system and provides detailed diagnostics on the engine and other components—all right on your smartphone screen. You can download it below:
OBD Auto Doctor: OBD2 Scanner
What is OBD Auto Doctor?
THE OBD Auto Doctor is an automotive diagnostic app that connects to your car's onboard system via an OBD-II adapter (which you can easily find online). It allows you to read error codes, track real-time data, and monitor vehicle performance.
It is aimed at both ordinary drivers who want to better understand the condition of their car, as well as mechanics or car enthusiasts who want a more technical analysis.
Main features
- Reading fault codes (DTCs): The app shows the errors detected by the car's system and offers simple explanations for each code.
- Clearing error codes: After resolving a problem, you can clear the error from the vehicle's memory.
- Real-time monitoring: Track information such as engine speed, temperature, fuel consumption and sensors.
- Emissions test: See if your car is ready to pass environmental inspections.
- Data recording: The application allows you to save diagnostics and reports.
Compatibility
OBD Auto Doctor is available for Android and iOS, and also has a version for Windows and macOS. It works with most cars manufactured from 1996 (in the US) or 2001 (in Europe), as long as they support the OBD-II standard.
Important: To use the app, you must have a OBD-II Bluetooth or Wi-Fi adapter, which connects to the car door (usually below the steering wheel).
How to use the app to detect engine failures
- Purchase an OBD-II adapter (Bluetooth or Wi-Fi).
- Connect the adapter to your car's OBD port with the vehicle turned off.
- Start the car and activate Bluetooth or Wi-Fi on your cell phone.
- Open OBD Auto Doctor and connect to the adapter.
- The app will automatically scan the car's system.
- Within seconds, you'll see a list of detected error codes, with detailed descriptions.
- You can save the diagnostics or clear them (if the problem has already been resolved).
Advantages and disadvantages
Advantages:
- Intuitive and easy-to-use interface;
- Detailed information, including for laymen;
- Support for multiple languages, including Portuguese;
- Compatible with various types of adapters and car brands.
Disadvantages:
- The free version is limited in some functions;
- Requires separate purchase of OBD-II adapter;
- Some more technical information is only available in the premium version.
Is it free?
Yes, OBD Auto Doctor has a version free, which allows access to basic functions such as error reading and real-time data. However, to unlock all features (such as emissions testing and advanced sensor information), you must purchase the premium version, with monthly, annual or lifetime plans.
Usage tips
- Keep the app updated, as new versions include support for more car models.
- Choose OBD-II adapters from trusted brands to ensure a stable connection.
- Use the app with the car running but stopped to avoid distractions while driving.
- Save diagnostics to track your vehicle's maintenance history.
Overall rating
OBD Auto Doctor is one of the highest-rated apps in the automotive diagnostics category. Play Store, has an average of 4.1 stars, while in App Store maintains a similar rating. Users highlight its practicality, user-friendly layout, and accurate information. Criticism generally focuses on the limitations of the free version—something to be expected for technical apps of this type.
If you want to better understand what's going on under your car's hood, avoid mechanical surprises, and save money on diagnostics at repair shops, OBD Auto Doctor is definitely worth trying.
