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Dashboard computer and veggie oil

Graze Feb 16, 2006

  1. Graze

    Graze Member

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    I've had this dashboard computer glitch on my 98 A4 TDi for months. The brake light bulb out warning light comes on and the dreadful chime intermittently, probably 3 or 4 times on a 50 mile journey. Yet no bulb is out and the brake light switch has been replaced. Any Audi specialist cooected it to their computer and said they couldn't find anything wrong so it must need a new computer, but I baulk at paying out £500 for that and was wondering if anyone could give me a second opinion. Also is it true what I read in the paer the other day, that modern diesels will work quite happily on an equal mix of derv and vegetable oil?
     
  2. docurley

    docurley Moderator Staff Member Moderator

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    Ok, are you sure it’s the bulb light and not a brake fluid warning or pads warning?

    To if not that check and replace all the bulbs, as this would be a cheap option it could even be the third brake light that’s out. Also check and see if anyone has tamped with the wiring and this would also show a fault.

    If it is the clocks (which I would not have thought so) you could by a second-hand unit and have one of those dodgy clocking company recalibrate the mileage.
     
  3. tubtub

    tubtub Member

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    In answer to your second question: linky
     
  4. Graze

    Graze Member

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    Many thanks.
     

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