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Chevy/GMC AFM Cylinder Deactivation Excessive Oil Consumption – Ongoing

The Active Fuel Management system that GMC/Chevy has used for years, is well known to excessively use oil. GM has updated a fix and it doesn’t seem to work 100 percent of the time. Will the problem ever go away? Is Cylinder Deactivation just a bad technology?

Chevy/GMC AFM Cylinder Deactivation Excessive Oil Consumption - Ongoing

The AFM systems in Chevy/GMC products have oil consumption issues. Is it permanently fixed or an ongoing issue with that system?

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  • 2007 5 3 afm shield
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