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Hello Spinnetti. I would first talk to an Audi technician before spending $$$ on parts... Several things not working could have one underlying cause. Mine was that fuse, which DOES NOT control the fuel pump. Wiring diagram from eBahn will help in a case like this. Instead of replacing MAF, clean it. Then unplug it. If RPM does not change, then it is either dead, or there is a fuse or wiring problem. Throttle body -- clean it first, then clear VAG error code, and only then replace. And always, it is better to find a replacement part from a friend or scrap yard, and try replacing it first.