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Speedo driving me mad!

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Super_stylin, Jun 3, 2012.

  1. Super_stylin
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    Super_stylin New Member

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    [Jun 3, 2012]
    Got a 2001 1.8t Quattro. Seems to be when it's warm outside and dry my speedo and fuel gauge stop working. The speedo stays on zero and the gauge goes down when accelerating. It's rained today and gone cold, guess what speedo has come back on working fine! Any help would be great!
    #1
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  3. Mav190sline
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    Mav190sline Member

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    [Jun 4, 2012]
    Ever thought about moving to the south pole lol
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  4. Super_stylin
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    Super_stylin New Member

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    [Jun 4, 2012]
    Ha ha ha. Please guys any advice welcome
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  5. demus
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    demus Fire in the hole !!

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    [Jun 4, 2012]
    Could be an electrical connection inside somewhere, my central locking is funny when its hot outside, it will unlock the rear doors twice, and then try again when you turn the ignition on!! If its cool its fine...
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  6. Turkster
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    Turkster Bro.Paul 2.5TDI Quattro Sport

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    [Jun 4, 2012]
    change the pod
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  7. quattro tony
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    quattro tony Member

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    [Jun 4, 2012]
    Could be the heat affecting the pod internals?, have you managed to scan the instrument cluster? might be worth doing first
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  8. Super_stylin
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    Super_stylin New Member

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    [Jun 5, 2012]
    Not scanned no; it's just strange that heat and wet weather can effect it that's why I thought something underneath the car.
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  9. pauldazzle
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    pauldazzle Active Member

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    [Jun 5, 2012]
    Mk1 Skoda Octavia's suffer the same problem that you describe, & it's usually caused by dry solder joints on the 2 voltage regulators in the dash. It's quite possible you have the same problem as the Audi dash is very similar. Sometimes reseating the dash connectors can fix the problem too, but most of the time it's a dry joint.
    #8
  10. Iceash
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    Iceash Member

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    [Jun 5, 2012]
    I was thinking dry joint also, the rain will be acting as a heat sink. So ambient will drop allowing the car to contract slightly including all the plastics and so forth. opposite with the heat, allowing the dry joint to fail. Could be worth speaking with an auto sparky, might be able to replace it for you but I'd be you'd be looking at around 150ish smackers.
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  11. pauldazzle
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    pauldazzle Active Member

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    [Jun 5, 2012]
    #10
  12. Super_stylin
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    Super_stylin New Member

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    [Jun 6, 2012]
    Cheers guys I'll check into this
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