What does Active Fuel Management ( AFM ) do?
What does Active Fuel Management ( AFM ) do? Active Fuel Management (AFM), otherwise known as Cylinder Deactivation is a General Motors engine technology that shuts down half of the engine’s cylinders in light driving conditions to improve fuel economy. How to disable Active Fuel Management on GM engine? Should you delete Active Fuel Management on GM engine? There are two ways to disable active fuel management on a GM vehicle, but first you have to determine whether your engine is a candidate for the delete or disable procedure. How does Active Fuel Management affect fuel efficiency? This reduces engine...