Jethro, Konrad (Pokrywek) doesnt appear to be an active member and no longer triggers on the Forum system so a reply is unlikely.
There are numerous other discussions on throttle body on this Forum (using the Forum Advanced Search function will list them). Some bedtime reading for you on the following link:-
Search results for query: Throttle body
You may well have to explain what your own vehicle difficulties are including diagnostic codes if you have them.
It will assist Forum readers by completing your Sign-Up 'blank' sections (World location - believed to be Australia and full vehicle details with engine variant ie petrol or diesel, auto/manual etc. Helpful guidance on this is explained here:-
Helpful Guidance Using the Forum
My own experience of what was believed to be throttle body problems turned out to be no more than a failed throttle body manifold gasket. Other so called throttle body issues have often been related to air feed hose splits and cracks (failure of feed hose is a recognised issue).
Come back to the Forum once you have completed your Sign-Up and explain in more detail what your issue is. Preferably try to build on an existing Topic rather than creating a new (duplicate) entry.