Active Fuel Management - Search Videos

Why and How to Disable GM's Active Fuel Management (AFM)!

YouTubeSummit Racing

Why and How to Disable GM's Active Fuel Management (AFM)!

GM's Active Fuel Management (AFM) improves gas mileage by shutting down half of the cylinders under light-load conditions to reduce fuel consumption. It is also known as Displacement on Demand (DoD) or cylinder deactivation. Under certain conditions, it can help lead to 5-7 percent greater fuel-efficiency. So why disable it? Many people find ...

914.8K viewsApr 28, 2021

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