I have this exact problem on my 2004 5 speed V6...I tried the restrictor plate, but it made the car run worse (the car would kind of stumble and the RPM hanging was sometimes WORSE) So I took it out and the car runs better, but the RPMs still hang...that fast idle TSB sounds like a good thing to check out...but I'm wondering if they would even look twice at it "becuase it's a v6 and not a v8" Stupid for dealers