I'm getting code P1656 WG solenoid control module.......Last week I replaced; vac pump, vac lines, WG solenoid..........Why in the world would I be getting this code?
Could it be that the WG solenoid is bad?.......Brand new from the dealer.
I guess anything is possible.....should I just replace the solenoid, or could another part of the vac system be failed and giving me this code?

Thanks Much,
Louis

Anyone have even a shot in the dark theory?......BTT

Yeah.....when that boost gauge arrives get it installed asap and make yourself a mechanical wg control and be done with it! :)

Dave