Do you think that it could cause a slightly erratic idle also? It idles a little funny also. For five minutes it will idle around 500rpms then sometimes around 1200rpms. But then sometimes it runs absolutely perfect at 750 rpm's. Thats what makes me think that it's electrical like it's getting a bad signal from a failing sensor. Also, it's slightly worse at startup.
Thanks for the reply though and I'll look into the turbulence mod. -Eric