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Efficiency (free)

Efficiency (free)

10,000 - 50,000 downloads

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Efficiency is a powerful trip computer for OBD2 enabled vehicles that is focused on helping you maximize your fuel economy.

Please report any problems you may encounter. Make sure to include your car model, year, OBD2 adapter, phone model, and Android version you're using.

App Requirements:
- A OBD2 enabled vehicle built in 1996 or newer
- ELM327 Bluetooth Adapter
- An Android 2.1 phone/device or newer with Bluetooth capabilities.

For Help visit or email to

Tags: Efficiency, OBD2, OBDII, Elm327, Ecu, MPG, fuel economy, fuel efficiency, Eco meter, ecometer, econmeter, green meter, ECU, car, truck, speed, rpm, gas, OBD, OBD-II.

Tags: obd2 mpg, efficiency obd, elm327 fuel consumption, obd fuel consumption, obd mpg, obd eco, efficiency, elm327 mpg, obd2 bluetooth mpg, fuel meter obd.

Recently changed in this version

- Several Bug Fixes
- Calibration simplified
- Improved compatibility
- Improved Performance
- Fixed notification icons

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