hello gerry,

yes I've helped you with the problem. having two dv is not the same as having double piston dv. there is a difference between a normal dv and one with a piston inside. for your escos you don't need a normal dv and also not a piston dv. you need a double piston dv. this means there are two pistons inside one dv. because your escos has a sensor which messures the air volume. on idle a dv is open so the engine sucks false air through a normal and a single piston dv. this is why you need a double piston dv. I hope you understand it now. if not please ask.

best regards.