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Tank system malfunction! Contact workshop.

BigjoeC Jun 18, 2017

  1. BigjoeC

    BigjoeC Registered User

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    Happened about 3 weeks ago when I apparently over filled my tank. Going by similar issues when I googled the issue.

    [​IMG]

    Happened again yesterday and I only filled my tank to just over half full, which makes me think the sender unit id faulty and on the way out.

    Anyone suffered from the same issue, and is it a lengthy and expensive job to replace the fuel tank sender unit?

    Audi A6 2.7 tdi Quattro.
    84k
    2010.

    :)
     
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  3. rich dj

    rich dj 2015 A4 Avant 2.0TDI SE Quattro 190 Technik

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    Mine showed this twice on Saturday and 2 mins into the journey fuel gauge returned and so did miles left.
    Audi A6 C6 hasn't shown since.
    Will plug the laptop in when I get a min.


    Sent from my iPhone using Tapatalk
     
  4. Bibbym

    Bibbym Coffee for life

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    Yes mine had this issue. Audi warranty took it and they had to take the fuel tank out to replace the sensor.
     
  5. Hanny

    Hanny Member VCDS Map User

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    If it is the fuel senders then yes, replaced both fuel senders, not a hard job as having three hands would be useful. Do a search for replacement of fuel senders (http://www.vwaudiforum.co.uk/forum/showthread.php/120142-A6-Quattro-Fuel-Senders) and will detail what you need to do. Basically remove rear bench, unscrew plate cover, unscrew round lid and pull up your fuel swirl pot to get at the fuel sender(s). I replaced both but you can try to fault fine on each one to find which or if both have a fault.
     
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  6. rich dj

    rich dj 2015 A4 Avant 2.0TDI SE Quattro 190 Technik

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    Mine hasn't shown since then, no doubt it will rear its ugly head again soon.


    Sent from my iPhone using Tapatalk
     
  7. rich dj

    rich dj 2015 A4 Avant 2.0TDI SE Quattro 190 Technik

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    yep reared its ugly head again....
     
  8. BigjoeC

    BigjoeC Registered User

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    Well my local garage said that the vcds would not tell them which sender was at fault. The reckoned one senser cost about £150 and the other one costs £500 +

    Is there any truth in this?
     
  9. BigjoeC

    BigjoeC Registered User

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    I cannot find anyone who sells the sender units.
     
  10. Simon968

    Simon968 Registered User

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    Have you tried your local TPS?
     
    BigjoeC likes this.
  11. BigjoeC

    BigjoeC Registered User

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    Thanks for that.

    £63.38 each plus £21.94 per set of seals.
     
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  13. Simon968

    Simon968 Registered User

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    No problem. Glad I could help
     
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  14. BigjoeC

    BigjoeC Registered User

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    Two new fuel senders installed and the error has now gone! Fingers crossed it's finally sorted. #:)
     

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