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Which GM Engines Don't Have The AFM System?

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 ...
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Which GM engines skip AFM?

General Motors’ Active Fuel Management system has been around long enough to earn both fans and vocal critics, and that split has created a simple but urgent question for buyers: which GM engines ...
AOL

GM's AFM And DFM Often Get Blamed For Lifter Failure, So Let's Explore How They Work

The logic behind both active fuel management (AFM) and dynamic fuel management (DFM) starts with the simple observation that most drivers "carry more engine" than they need most of the time. A V8 ...
GM Authority

Reply To: Does the L96 have AFM?

AFM is Active Fuel Management which used a solenoid to deactivate the lifters on select cylinders of the engine. Yours has standard lifters so no AFM. Get our GM news straight to your inbox. We'll ...
AOL

Can An Active Fuel Management (AFM) Disabler Cause Engine Damage?

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.
Tennessean

TOPDON USA’s AFM Disabler Enhances Drivability, Reduces Risk of Engine Damage for GM Vehicles with AFM, DFM Systems

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 ...
GM Authority

Range Technology Offers DFM Disabler For Chevy Silverado, GMC Sierra, SUVs: Video

Not everyone likes the driving experience that comes with Dynamic Fuel Management (DFM) or Active Fuel Management (AFM). Some drivers claim turning off cylinders while driving with the goal of ...