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A tale of deactivating cylinders: After 25 years GM finally succeeded with its Active Fuel Management
He said the problem with the old Cadillac system was three-fold: faulty throttle-body injectors, primitive computerized engine management controls and flawed execution. Because of GM's ...
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Which GM Engines Don't Have The AFM System?
GM launched a technology in 2005 that deactivates engine cylinders during undemanding driving scenarios. Known by both Displacement on Demand (DOD) and Active Fuel Management (AFM), this system ...
What Does An AFM Disabler Do And Does It Cause Engine Problems?
General Motors's Active Fuel Management (AFM) technology utilizes hydraulic valves, solenoids, and advanced software to shut ...