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Annoyance of Ambient Temperature

Dave DND Dec 29, 2008

  1. Dave DND

    Dave DND DND Services Ltd

    I have a B5 A4 with the full LED information display between the speedo and rev counter - car is new to me, so not quite up on the correct terminology for it all yet.

    However, the abmbient temperature that is shown is a good few degrees on the positive side. My other cars all read around the same (ish) but when I was scraping the ice off the other night, I was greeted by +7.5 degrees on the display when it was clearly around 4 or 5 degrees out.

    Is there any way to recalibrate the gauge?, is the sensor faulty? Does this ambient sensor affect any fuelling / mixtures? Or am I stuck with it reading wrong? basically what can I do, as if I am going to be confronted by the gauge every time I drive the car, I would rather it was a little nearer to the truth.

    Apart from the gauge, its getting me quite hot under the collar as well

    Any advice please?
  2. Blue_Thunder

    Blue_Thunder Well-Known Member

    I remember reading somewhere that on the S4/RS4 they often read wrong because of where the sensor was placed (against the undertray) and a fix was to relocate the sensor. Perhaps there's a similar fix for the A4.

    Which engine do you have and what year is it?
  3. Dave DND

    Dave DND DND Services Ltd

    Thanks for the reply.

    Its a 1999 Avant 2.4 SE (petrol V6) Auto
  4. Nessy

    Nessy VW + Audi mad

    Can't offer much help about the accuracy of the temperature sensor but if its getting on your nerves you can switch the entire display off and on by pushing on the button on the underside of the wiper stalk................
  5. Broken Byzan

    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User quattro Audi A4

    My sensor is cable tied to the front of the rad onto the power steering cooler. Seems to be a popular relocate for them in my experience
  6. Dave DND

    Dave DND DND Services Ltd

    Do you have a picture, so i know what I am looking for?

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