Ford Transit Reduced Power Mode

First I could see some problems watching the live data. Once the turbo was off there was some carbon built up in the vanes making the actuator motor for the wastegate have trouble pushing through it. Further inspection showed a failed airfilter has sent debris through the turbo and intercooler wearing out the inlet turbine. Found the source of why the airfilter had failed, due to blocked windscreen/cowl drains and had been pouring water all over the airbox. Sometimes you may get away with cleaning the vanes and resetting the turbo learnt values but at 290,000kms this van was thrilled to see a new turbo