Simple Engine Diagnostics from Your Phone or PC
The Stahlcar ST400 is the go-to Bluetooth diagnostic tool for drivers who want an easy and affordable way to check engine fault codes at home. Designed for use with Android smartphones and Windows PCs, this compact device gives you quick access to key engine data and fault information using trusted third-party apps. Whether you're tackling the check engine light or just want to monitor performance, the ST400 makes it easy to stay on top of your vehicle’s health without heading to the mechanic.
Key Features
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Bluetooth connection to Android devices and Windows laptops
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Reads and clears engine fault codes
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Displays live data such as RPM, speed, and coolant temperature
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Supports popular apps including Torque Lite, Torque Pro, and Car Scanner ELM OBD2
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Compact size fits in your glovebox for quick access
Please make sure your car is OBD2 Compliant before purchasing this tool
Engine Diagnostics Made Simple
The ST400 focuses on what most drivers need: reliable engine diagnostics without the complexity. It reads and clears standard OBD2 engine fault codes, lets you switch off the check engine light, and provides access to real-time engine data to help you spot issues early. For vehicles with intermittent faults, the ability to view live metrics can be a game-changer.
Works with Trusted Apps
The ST400 connects via Bluetooth to your Android phone or Windows PC and works with a range of free or paid apps. You can customise the interface, monitor performance over time, or even run acceleration tests, depending on which app you choose. Our top recommendations include:
Compact and Portable
With its low-profile design, the ST400 is small enough to leave plugged in or store in your glovebox. It’s perfect for quick use at home, before road trips, or even in the car park if something doesn’t feel quite right.
Important Notes
This tool only works on OBD2-compliant vehicles and is designed specifically for engine diagnostics. It does not access ABS, SRS, transmission, or body control systems. Please confirm your vehicle is OBD2 compliant before purchasing.
What’s in the Box
Why Choose the ST400?
If you're looking for a no-fuss way to clear fault codes and monitor engine performance without breaking the bank, the ST400 is an excellent choice. It’s fast, portable, and designed for real-world use, making it an ideal tool for drivers who want practical insight into their vehicle’s engine health.
