Shoppers who care about long-term reliability increasingly want to know which General Motors engines avoid Active Fuel Management, the cylinder deactivation system that has drawn scrutiny from some ...

So, you're worried your Silverado or Sierra might run into Active Fuel Management (AFM) issues someday. But are they as bad as the internet would lead you to believe? Well, the short answer is yes.

Question:I own a 2010 Chevy 1500 Silverado with a flex-fuel 5.3-liter Vortec V-8. The motor has an Active Fuel Management system that deactivates from V-8 to V-4 under certain conditions. This is my ...

QUESTIONI'm in the process of transplanting an L77 from a 2012 Caprice 9C1 PPV [police pursuit vehicle] along with its 6L80E [six-speed, longitudinally mounted electronic automatic overdrive ...

In an effort to help meet more restrictive emissions standards, GM launched a technology in 2005 that deactivates engine cylinders during undemanding driving scenarios. Known by both Displacement on ...

As GM Authority recently covered, General Motors is currently building units of the 2021 Chevy Silverado 1500 and 2021 GMC Sierra 1500 light-duty pickup trucks without Active Fuel Management (AFM) or ...