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Mechanics report a wave of lifter failures in 2014 to 2024 Silverado and Sierra V8s
Owners of 2014 through 2024 Chevrolet Silverado and GMC Sierra trucks equipped with GM’s L87 6.2-liter V8 are facing costly engine repairs as mechanics across the country flag a pattern of lifter ...
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 ...
QUESTIONI'm in the process of transplanting an L77 from a 2012 Caprice 9C1 PPV [police pursuit vehicle] along with its 6L80E [six-speed, longitudinally mounted electronic automatic overdrive ...
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 ...
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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 ...
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