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1.9 TDI wont start

Discussion in 'A4/S4 forum(B5 Chassis)' started by stevojam, Apr 1, 2012.

  1. stevojam
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    stevojam New Member

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    [Apr 1, 2012]
    Hi all, reciently bought an 1999 A4 1.9tdi 189k (90 bhp) Avant which has been off the road for 6 months. Booked in for M O T and drove it over, car ran fine until I got to the garage then it became very lumpy at lidle so I switched it off.
    Now it wont start at all just keeps turning over any ideas as to what's up?

    Any help would be great.
    Cheers
    #1
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  3. jonnycraig
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    jonnycraig Member

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    [Apr 2, 2012]
    Could be a number of things:

    1. Immobiliser (Yellow flashing key symbol on dash on ignition)
    2. Run out of fuel (Incorrect fuel guage reading)
    3. Fuel filter blocked/air in the fuel lines/water in the fuel
    4. Lift pump has packed in AFAIK these engines dont have a fuel pump the fuel is dragged directly from the tank to the engine by the injector pump.

    Im sure given enough time you'll get far more detailed answers
    #2
  4. stevojam
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    stevojam New Member

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    [Apr 6, 2012]
    hi jonnycraig. It turned out to be the immobilizer all sorted now cheers
    #3
  5. bigdog23
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    bigdog23 New Member

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    [Feb 4, 2014]
    Hi Steve, I now have this fault with the immobiliser that Jonny mentions. The yellow flashing key symbol is present and the fault code suggests immobiliser which I expected. When you say it's all sorted, what did you have done to cure the problem?
    Cheers
    #4
  6. bigdog23
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    bigdog23 New Member

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    [Feb 4, 2014]
    Sorry, auto correct on the iPhone, stevojam and jonnycraig.
    Cheers
    #5

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