why isnt the evap mon not ready

Hello, the evaporative emissions monitor will run during certain conditions -- most notably, you need to maintain between one quarter and three quarters of a tank of fuel, and then drive the vehicle normally -- it may take some time, but it will set. Often times, the evaporative emissions monitor is not required for a vehicle to pass emissions testing, but your state laws prevail. https://repairpal.com/drive-cycle-issues Check that link for a good article about monitors.