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2006 A4 2.0TDi 140 Cutting out

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by a3 1.8t, Dec 24, 2012.

  1. a3 1.8t
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    a3 1.8t Member

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    [Dec 24, 2012]
    I have bought a 2.0tdi a4 se140 last week, from a vw audi garage the cars really nice but it keeps on cutting out. it first done it the other morning when i was defrosting it it just stopped but started again stright away. Then after setting off for work the other day it completely cut out when doing 30 and wouldnt restart for 20min i taken it to the garage where its under warrenty for 6 months and they plugged in the computer and said it wasnt showing any faults they said they had a few cars recently with dodgy fuel filters so changed it then ran it for a while and said try it then today when at idle it was like some one turned the ignition on and off quickly it died lights came on the dash then it picked back up just before the engine stopped.. I know its under warrenty but has anyone got any ideas? I dont want it to be in and out of the garage all of the time :/

    Regards Tom
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  2. Wrath
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    Wrath Well-Known Member

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    [Dec 24, 2012]
    Hmmm, depends on if they actually have got a decent computer. Could be battery is on it's way out as I don't think that would be picked up by the computer.
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  3. a3 1.8t
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    a3 1.8t Member

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    [Dec 25, 2012]
    they have the latest vagcom and bosch computers.. Batterys a thought i havnt heard of them doing that when its on its way out
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  4. Wrath
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    Wrath Well-Known Member

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    [Dec 25, 2012]
    I know that sometimes a tired battery can cause all sorts of weird problems. Might also be the wiring between the alternator and the battery. When it's cut out are there any electrics?
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  5. i_786_i
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    i_786_i Member

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    [Dec 25, 2012]
    Hi, sounds fuel related to me. Seen a similar problem once on a honda and was narrowed down to a fuel filter. Id get them to completely check the fuel line and run a diagnosis when the car is running. If it was battery related im assuming the display and lights etc would cutout at the same time?
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  6. a3 1.8t
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    a3 1.8t Member

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    [Jan 8, 2013]
    Right been to garage couple of times recantly they have replaced fuel filter but the problem still persisted they have now tried fuel relay. The car isnt throwing any fault codes off at all so its a bit of trial and error..
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