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revs dropping when coming to a stop !!

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by boomtown, Feb 26, 2013.

  1. boomtown

    boomtown Member

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    as above my revs have started dropping when coming to a stop at lights , junctions etc, they then shoot back to normal with a bit of a jolt
    Any ideas ??
    Audi a4 3.0 quattro tip
    Cheers
     
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  3. boomtown

    boomtown Member

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    Anyone ??
     
  4. Mike.M

    Mike.M Well-Known Member

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    Sticky throttle body I would say.

    When the butterfly shuts it must be sticking and not allowing for a minor adjustment at idle.

    Take it off and give it a clean, but be gentle.
     
  5. boomtown

    boomtown Member

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    Looks like abit of a pig on my car, any help appreciated on removal
     
  6. boomtown

    boomtown Member

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    Well, cleaning throttle body made no difference !
     
  7. boomtown

    boomtown Member

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    Could this be a dodgy o2 sensor ??
     
  8. quattrojames

    quattrojames Moderator
    Staff Member Moderator Audi Avant Owner Group Audi A6

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    If it was a manual car I'd suggest the clutch switch, I guess the auto must have something similar?
     

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