improve fuel economy gm trucks

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Enhanced Fuel Economy.

Range AFM Plus optimizes your performance by better identifying your driving situations helping you get more miles out of a gallon of gas.  CARB EO D-751

Active Fuel Management, available on most GM trucks and SUVs, helps lower fuel costs by enabling V8 engines to behave like four-cylinder engines when cruising with light loads, while seamlessly unleashing their full muscle whenever needed.

range technology fuel savings
improve fuel economy gm trucks

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Get the most out of every mile.

Learn about the benefits of Range.

save money on fuel

Save up to $1700*

The average driver will save $250 a year. Over the lifetime of your vehicle that can really add up.

*based on V4 Max and an average vehicle lifespan of 7 years

save gas gm trucks

Save 65 gallons of gas a year

If you drive 15,000 miles, you will save an average of 65 gallons of gas a year. Saving fuel means saving money and time, with a lot fewer trips to the gas station.
*based on V4 Max

range technology fuel saving
fast easy fuel savings

Fast and easy setup

Simply plug in Range into your onboard OBD-II port and it instantly begins working with your Active Fuel Management to optimize your fuel economy.

See how to install

save the planet gm fuel economy chip

Save the planet

If all AFM powered vehicles were optimized it could save up to 193 million gallons of fuel per year.
Less pollution and a lot less imported gas.


Range plugs into your vehicle’s OBD-II port located under your dashboard.

An OBD-II port is the same port that mechanics use to run engine diagnostics or to evaluate emissions.

range technology chip installation