The Range AFM Disabler allows your V8 GM vehicle to run in full cylinder mode at all times, preventing the Active Fuel Management system (AFM) from dropping cylinders. Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM system. It doesn't reprogram your factory ECU and leaves no trace. Unplug it to return to factory settings. This one is programmed for a 2018 GM models. Sells for $199 new. Asking $75 obo. If interested call/text 225-368-7417.
Posted By bullfrog80