Ok here i go briefly I have a 2012 E250cdi with 207k miles so this week I had an engine light come on into limp mode and no revs after 2500rpm no kickdown had the code read came up p065100 and p02463 so here is what Ive had done i had the exhaust back pressure sensor changed no change on the drive home next morning drove fine good revs and kick down no issues turned off engine and light came back on out first thing they suggested so £55 plus fitting later no joy then they said fit this a204 440 64 40 its a wiring harness repair kit £25 plus fitting later im not sure this is wired the correct way they say they pinned it out and it is still no joy so today they said dpf needs cleaning so taken off cleaned all professionally by dpf specialist £310 later i still have the same p065100 code and no kick down so any ideas where i go from here does anyone have the diagram for fitting a204 440 64 40 any other ideas as im a bit lost could it be the ecu? can this be tested im just a bit lost any ideas help appreciated or where to start or go next thanks in advance