its been serviced,dv removed and blocked off,it will start and tickover at watever,but when i go round the block on a warm or cold engine,and shes come on boost/used the turbo,she idles poorly ,even cutting out,unless i turn the throttle cable adjuster out to raise the idle,then when shes left off for a bit,she then idles fast???

the fuel system is all new bits,ie pump,clean tank ,new filter,new injectors,new plugs,etc,its a new battery,fully charged,and fresh shell optimax,pluss new synthetic oil too,is there summit im missing,any pipes i need to check for air leaks?

help pleezy.