Range RA003 AFM/DFM Disabler
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This device plugs into a vehicle's onboard diagnostics port (OBD-II) to prevent the engine from dropping cylinders, ensuring it runs in full cylinder mode at all times.
Function: Disables Active Fuel Management (AFM) or Dynamic Fuel Management (DFM) systems in V6 or V8 GM vehicles.
Installation: Simply plugs into the vehicle's OBD-II port; no tuning or tools are needed.
Warranty: Patented technology leaves no trace and does not reprogram the factory ECU, so it will not void the factory warranty.
Benefits: Helps avoid oil consumption and potential lifter failure issues associated with AFM/DFM, and can also disable the auto start/stop feature on some vehicles.
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