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audi a4 b6 rear sensors problem

Discussion in 'Car Repairs / Maintenance' started by qqlka3333, 22 Jan 2017.

  1. qqlka3333

    qqlka3333

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    Good morning. I have orginal 4 rear sensors in my audi a4 b6 2004 limusine. They work, but incorrectly. They 'see' obstacle until 50cm (I'm testing using vcds) and immediately continuous sound. Vcds doesn't show errors. How I Can incerase distance?
     
  2. Belle427

    Belle427

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    I dont think you can.
    In one of the measuring menus in vcds there should be a section to monitor each sensor, you can test each one with your hand to see if the reading changes. Its usually a faulty sensor that causes this.
     
  3. Carlos74

    Carlos74

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    You can hear sensors tick if you get up close to em, helps id any bad ones. I had a faulty one on my a4 b7. I gave it a good power hosing, it worked after. Not sure if a bit of polish or something blocked it but that worked for me.
     
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