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 ...
General Motors's Active Fuel Management (AFM) technology utilizes hydraulic valves, solenoids, and advanced software to shut down half of the cylinders in a V8 or V6 engine to save fuel. The system ...
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 ...
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 ...