volvo v70 t5 57 plate boost issuse

[t5owners dan]

Hi all i'm helping some one out with there v70 t5 and what is happing is it will boost then it will cut out now I had the actuator off and checked and the actuator was fine all the boost lines are very good condition the code reads as boost to high/low now the waste gate is free and not jammed open any one had this issuse before thanks danny

[M-R-P]

Check the boost pressure sensor, might be a bit dodgy.

or the tcv is plumbed in backwards.