Well went 2 get it remapped and sorted at another garage.He now says there is nothing wrong with the imrc box its got some thing 2 do with the fuel rail pressure sensor with i replaced the whole fuel rail and the 2 lamba sensors so y would they b showing up again.The codes where cleared when they where fixed bout 1 month ago.Has any 1 else had problems like this?O and apparently i have an ecu tbat can not b remapped its a 2003 st170 has any 1 heard this b4?Its starting 2 do my head in.