Pathfinder R51 - No Vacuum to Solenoid

[Mike.R51]

Hi, Can anyone help please...

 

Just did a service on my 2006 Pathfinder R51 DCI today and oddly now i have lost power and getting black smoke under load - feels like i have lost the turbo but that was working fine before changing oil and filters...!!

 

after some basic checks i seem to have no vacuum coming from the boost solenoid to the actuator but there is also no vacuum from the engine to the solenoid...

 

I'm assuming solenoid is ok for now as it is not receiving vacuum to pass on to the actuator and i have checked the actuator with a vaccum pump and thats ok...

 

vacuum lines holding pressure and secure..

 

im now a bit lost as to what to check next? any help or advice greatly appreciated.