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carbon buildup

  1. Supercharing and carbon build up, less/more ?

    S5 General Q&A
    Hello, I am just about to pull the trigger on a 2008 S5. My one concern is the carbon build up I've been reading about on this forum and elsewhere. I fully plan on supercharing the car. So my question is, what kind of impact will forced induction have on the carbon build up? Any feedback from...
  2. Misfiring Cyliders

    S5 General Q&A
    Hey everybody. Has anyone had any issues with cylinders misfiring? I'm not too mechanical so I apologize, but my S5 has been in the shop three times with an annoying hesitation on start up (after I start going it stops). The dealer determined that there was excessive carbon build up (as many...