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Temperature gauge not working, help!

Discussion in 'A4/S4 forum(B5 Chassis)' started by B5QUAT, May 24, 2011.

  1. B5QUAT
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    B5QUAT Member

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    [May 24, 2011]
    Hi,

    It appears my temperature gauge has a mind of its own. It does work sometimes but ever so gradually. Last night It crept eventually up to 90 but only after about 20-25 mins driving. Is this thermostat? Coolant temp sensor? Not sure.

    Any ideas appreciated!
    #1
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  3. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [May 24, 2011]
    Thermostat most likely.

    Have a drive to get the engine warm, then park up and leave it idling for 5-10mins and see if it comes up to 90. If it does your thermostat is away.
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  4. B5QUAT
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    B5QUAT Member

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    [May 24, 2011]
    Thanks for that!
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  5. tsporta4
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    tsporta4 Member

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    [May 24, 2011]
    also temp sender
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