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Temp Gauge Query

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by vwgtiking, Jan 17, 2014.

  1. vwgtiking
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    vwgtiking Member

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    [Jan 17, 2014]
    Every now and again, the temp gauge pops over 90 and stays there. See pic. Any reason why??

    [​IMG]
    #1
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  3. vwgtiking
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    vwgtiking Member

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  4. desertstorm
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    desertstorm Well-Known Member

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    [Jan 18, 2014]
    Could be the coolant temperature sensor playing up. It's hardly a big difference, its not even the thickness of the needle.
    Most people probably wouldn't even spot it.

    Karl.
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  5. vwgtiking
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    vwgtiking Member

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    [Jan 18, 2014]
    Most of the time it's bang on the line but on rare occasions it's like that as pictured. May be a small air bubble?
    #4

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