Mercedes 190 e

Friend is not exactly that, today and disassembled and it is like a passage valve of the air flow to which I have given 12 V to see if it acts and it seems to me that it is broken, it has an air input and an exit that will stop under the plate of the injection ky in the middle is like a fan that a theory in theory opens more or less depending on the need for air, later I will take a picture and so you will see it. And as soon as I solve the problem I tell you things