You have to have one of the parts stores clear it. Did you check you gas cap. P0440 Is an emissions codes usually caused from a loose gas cap
This code is for P0440-GENERAL EVAP SYSTEM FAILURE you need to check your system for leaks or faillure
It's the 02 sensor or plug #4 out. ask them what the code is. and what it means they can do that without costing you money then post it here.
Click you ignition on and off 50 times and it will clear the code.
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