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Car struggled to start now immob light flashes

Discussion in 'A4/S4 forum(B5 Chassis)' started by Oranoco, Aug 3, 2013.

  1. Oranoco
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    Oranoco Well-Known Member

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    [Aug 3, 2013]
    When I scanned the car to suss out the boost limitting I got a code 17978 (I think) saying the immobiliser had prevented the starting. Leaving work on Thursday it kept starting then cutting out straight away but once fired it was fine. Today it wouldn't start and the immob light kept flashing. When it did finally start the immob light stayed flashing all the way home and is flashing on subsequent start ups.

    Any ideas folks as I'm really starting to think with 165k on the clocks it might be time to break it up and buy something else.
    #1
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  3. Bradderz_1988
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    Bradderz_1988 Dont replace it, Upgrade it !!

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    [Aug 3, 2013]
    Mine used to do this shortly after i first got it, then after about 3 months or so it just stopped and its never done it since !!
    #2
  4. jbh
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    jbh TDi lover

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    [Aug 3, 2013]
    I had this issue on one of my passats It done it for about 3 weeks and went back to normal.
    #3
  5. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Aug 3, 2013]
    it's normally the pick up wire by the ign switch develops an intermittent connection.
    #4
  6. vagtronics
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    vagtronics New Member

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    [Aug 3, 2013]
    What car year model is it? I may be able to help.
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  7. Oranoco
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    Oranoco Well-Known Member

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    [Aug 4, 2013]
    It's a late 96 1.8 T Sport.
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