Posts Tagged: disable active fuel management

How to Disable Active Fuel Management on a GM Vehicle

Understanding and Disabling GM’s Active Fuel Management System Disabling Active Fuel Management (AFM) on a General Motors (GM) vehicle can have implications for fuel economy and engine performance. AFM is a technology that allows certain cylinders in a V6 or V8 engine to shut down under light load conditions to improve fuel efficiency. If you’re considering disabling this feature, it’s essential to understand the potential impacts and legalities. There are two ways to disable active fuel management on a GM vehicle, but first you have to determine whether your engine … Read More