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hi all. just got my s6 and love it! However sometimes when I pull up to a jct the idle goes high then low and misses quite badly. clears as soon as you get revs up. Vagcom shows faulty pre cat o2 sensors but anybody had this problem? air leak poss?

Thanks!

was the gasket between throttle body and inlet i case anybody is searching!

Glad to hear a good result. Doesn't sound too expensive either, could have been a lot worse i guess.