Well, I still have the following problem:
If the V8ter gets warm then the speed remains at 1300 rpm with the blower/climate on!!!! If I switch off the climate/fans, the speed usually goes back to 800 rpm. Can anyone explain the connection between blower/climate and engine speed? This is very annoying in the long run!
Then I would like to ask another question, how do "finished" spark plugs make themselves felt? I always feel like someone's trying to keep me the V8...
Then there was a bug-search table for the V8 (in the guide - unfortunately my CD is scratched
) where you could read common bugs for various errors - has the table who and can mail them to me?! 
Greetings to Mark