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Active Fuel Management (formerly known as displacement on demand (DoD)) is a trademarked name for the automobile variable displacement technology from General Motors. It allows a V6 or V8 engine to "turn off" half of the cylinders under light-load conditions to improve fuel economy .
The lack of the active fuel management/dynamic fuel management module means affected models, equipped with the 5.3-liter EcoTec3 V8 engine with both six-speed and eight-speed automatic ...
The 2019 Chevy Silverado does feature appealing looks alongside quite an attractive appearance, however this model has one significant setback: the dynamic fuel management system, according to ...
The federal investigation covers select Chevrolet, Cadillac, and GMC trucks and SUVs built with the 6.2-liter L87 V-8 between the 2019 and 2024 model years. ... This, of course, is a problem. As ...
Optional on most trim levels is the 355-horsepower (265 kW; 360 PS), 5.3-liter EcoTec3 V8 gasoline engine, which is optionally E85 capable, and features either a carryover Active Fuel Management (AFM) system, or a brand-new Dynamic Fuel Management system (DFM), which now can shut off two, three, four, five, or six of eight cylinders.
The L84 is distinguished from the L82 by the presence of the Dynamic Fuel Management System and is either available or standard on mid-to-high-level trims. The L84 is also the base engine on the 2021–present Chevrolet Tahoe, GMC Yukon, Chevrolet Suburban, and GMC Yukon XL.
In addition to GM's active fuel management, start-stop system, and variable valve timing, which are already featured on GM's other full-size pickup truck engines, this engine also features GM's Intake Valve Lift Control which has 3 different intake cam profiles that are electromagnetically actuated to provide improved fuel economy and ...
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