My Copen lost power while I was driving it. I took the Turbo and had it examined - it had seized and (warped bar) so I forked out €900 for a new one - I just had it fitted yesterday - I can hear the whistling sound again - a little diffferent from before though but still no power :-(( I also changed out the air filter and oil filter. I don't know what to do now - any ideas???
Firstly welcome to Copenworld. Sorry to hear of your Turbo troubles. Out of interest, what mileage had the car done & what was the service history like (regular 6 month oil changes). The only advice I can offer is to have a good look through the service manual (when you get access). There is a trouble shooting guide in it, so it might help figureing out your power loss issues. Let's hope it's something simple.