GM's 5.3-liter V8 is one of the most common engines in America, but two problems define its reputation: oil consumption in the 2010–2014 engines and lifter failures linked to cylinder deactivation in ...

General Motors' active fuel management system is an ingenious piece of engineering. Here's what it does, how it works, and ...

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.