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What is AFM/DFM? Can it be Disabled?

Posted by Bob McJannett on

What is AFM/DFM? Can it be Disabled?

Can Active Fuel Management (AFM) & Dynamic Fuel Management (DFM) be Disabled? What is AFM/DFM? An In-Depth Look Author: Jacob White | 08/17/2020 Active Fuel Management (AFM) was a system GM engineers developed back in 2005 to help improve the fuel mileage from some of their V6 and V8 engine applications. AFM shuts off half of your engines cylinders to operate at a reduced power level to reduce fuel consumption when running in low load and cruise situations. By 2019, GM had developed Dynamic Fuel Management (DFM) also known as Dynamic Skip Fire, which is a smarter version of AFM....

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