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Piston

Piston

Category:Auto & Vehicles Size:10.5 MB Version:3.8.0

Developer:Stinez Pty Ltd Rate:5.0 Update:Apr 21,2025

5.0
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Application Description

Diagnose your car's issues quickly and easily with Piston, your mobile OBD2 diagnostic tool. Instantly access vital car information right from your smartphone or tablet.

Is that Check Engine Light (MIL) flashing? Piston transforms your mobile device into a powerful car scanner, instantly reading Diagnostic Trouble Codes (DTCs) and Freeze Frame data. This detailed information helps pinpoint the problem and guide you towards a solution.

You'll need an ELM327 Bluetooth or WiFi adapter, which plugs directly into your vehicle's OBD2 port. Piston provides clear, step-by-step connection instructions accessible from the Home page after initial installation or within the Settings menu at any time.

With Piston, you can:

  • Read and clear Diagnostic Trouble Codes (DTCs) compliant with the OBD2 standard.
  • Analyze Freeze Frame data—a snapshot of sensor readings at the moment a malfunction was detected.
  • Monitor sensor data in real-time.
  • Check the status of Readiness Monitors (emission control device monitors).
  • Save DTCs to a local history for easy reference.
  • Log in to save DTCs to the cloud for secure access.
  • View sensor data charts for clear visualization.
  • Export real-time sensor data to a file.
  • Retrieve your vehicle's VIN number.
  • Examine ECU details, including OBD protocol and PID count.

Note: Some features are Premium and require a one-time in-app purchase to unlock. No subscriptions!

Piston requires a separate ELM327 Bluetooth or WiFi adapter to function as a car scanner. It's compatible with OBD-II (OBDII, OBD2), and EOBD standards. Most vehicles sold in the USA since 1996, the EU since 2001 (petrol) / 2004 (diesel), Australia and New Zealand since 2006 (petrol) / 2007 (diesel) support OBD2.

Important: Piston only accesses data your vehicle provides through the OBD2 standard.

Questions or suggestions? Contact us at [email protected].

What's New in Version 3.8.0

Last updated August 2, 2024

  • Android 14 support
  • Improved Sensor Selection Screen
  • Support for additional sensors (availability may vary by vehicle)
Screenshot
Piston Screenshot 0
Piston Screenshot 1
Piston Screenshot 2
Piston Screenshot 3
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