Hi all clean throttle body and egr yesterday becuse my throttle body is stuck open on my grandis after cleaning still showing egr throttle control control a open cars running fine but now and then goes into limp mode put meter on it last night when it went into limp mode came up with tyrbo overpressuer cleard code all back to normal now and the code aint pending for turbo would the throttle valve being stuck open over pressure enging and can i do away with egr and throttle body on this model if so any one done it ? Thanks wayne