vito 120 cdi pressure difference transducer!!

[beetroot84]

Good evening..,
Can someone please shed some light, i have a 2008 vito 120 cdi 3.0 v6.
The engine managemnent light has come on and i have fault code P2078 which comes up pressure difference transducer???

Does anyone know the location of this part please??

Or anybody eles had this fault?
The van will not rev up more than 3000rpm loss of power like no turbo

many thanks

 

[Giantvanman]

I found this P2078 Generic DTC: Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High