A common issue with the 5.3 engine is AFM lifter failure. In this video, we diagnose the problem and replace the failed AFM lifter and pushrod to get the engine running properly again. Follow along ...
The idea behind GM's active and dynamic fuel management systems is brilliant, but they may be asking too much of the poor ...
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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