Why and How to Disable GM's Active Fuel Management (AFM)!
6:22
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 ...
905.2K viewsApr 28, 2021
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