Posts Tagged: GM Active Fuel Management System

Understanding The GM Active Fuel Management System

Learn How The GM Active Fuel Management (AFM) System Works Let me break down GM Active Fuel Management (AFM) for you in simpler terms. This system is designed to save fuel by temporarily “turning off” half of the engine’s cylinders when they aren’t needed. It’s like putting your engine on a diet during light driving. Here’s how it works and what you should know: What Does GM Active Fuel Management Do? When you’re cruising down the highway or driving with a light load, your vehicle doesn’t need all eight cylinders … Read More