Cleaning out the EGR and throttle body
 

I have the EGR out and I am cleaning the EGR out,I want to clean the throttle body out also, I can see the throttle body from the 3.3L cover (If that is a mannifold or a valve cover) I have the openingfrom there where the EGR was sittiong and the engine.I want to knowIFican clean thecrankcaseby disconnecting the air hose that goes into the engine crankcaseto the air filter.I want know If I can clean out the throttle body this way and If I can clean the throttle body with the car (being on or off). Thanks