Way back in 1981, Cadillac, reacting to the same pressure to maximize fuel economy automakers face today, came up with America's first mass-produced, variable-displacement, gasoline, V8 engine. Known ...
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Which GM engines skip AFM? Here’s the list
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 ...
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 ...
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 ...
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