Add Yahoo as a preferred source to see more of our stories on Google. So, you're worried your Silverado or Sierra might run into Active Fuel Management (AFM) issues someday. But are they as bad as the ...

TOPDON USA’s AFM Disabler works with many GM vehicles powered by V6 and V8 engines with Active Fuel Management (AFM) or Dynamic Fuel Management (DFM) systems. TOPDON’s new AFM Disabler is a low-cost ...

A fast-changing world, Holden is set to introduce fuel-saving technology on its big V8s that effectively turns them into four cylinder engines. It's called cylinder deactivation, or as Holden calls it ...

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.