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Thread: DPF

  1. #1
    Reverse Gear

    Join Date
    Apr 2010


    I bought an Audi A4 Cab 2.0ltr TDI sline (Registered November 57) in march 2009 with 3000 miles on the clock
    from my local dealership (Bradford Audi).
    By the forth week of driving the car i have had ongoing issues with the DPF (deisel particle filter).
    This is because so i am told that soot gathers up inside the filter and causes the filter to clog up which then the car need to be diverted to the nearest motorway to be driven at a speed of 50 or 60 mph in 5th or 6th gear only when the filter clears will the car then run properly.

    As it is i don't have a problem with this in general as i do regular motorway driving but not daily , the principle of the situation is that the car needs immediate attention if it does not get this the engine management light comes on which then tells me there is a fault with the engine and the turbo cuts out.

    I have raised numerous complaints with the dealership and Audi UK who tell me that i am not driving the vehicle correctly ,and that in order to stop this i should be driving at least 15 miles every morning at the required speed.

    So as i don't do this sort of driving everyday and was not advised of this at the point of sale i would be looking for a like for like vehicle or a full refund but a like for like would or should only be accepted on a sensible timscale as the dealship have advised me that it may take many months in order for them to be able to match my vehicle.

    After i put this information in writing they contacted me via telephone saying that they could replace the whole filter and see if that would fix it so i agreed to let them do this and so they took it away and brought it back with no FOC invoice which then asks the question have they attempted to fix it at all? but no avail i am being taken for a ride its very clear to see.

    I am not a great expert on engines so i am looking for as much feed back as possible as to weather i should use my own expert diagnosis and where to find those experts before i enter judgement against them anyones veiws and advice would be much appreciated as this is my last and only option.
    The car maybe fit for purpose in some respects but not in my case and there is no question as to weather i have been mis sold this vehicle.

    I have gathered some cases same as my own and as i am doing this i am finding that the individuals that have also purchased Audi's on the 07/57 (model) are having the same problem and are being told the same thing (lies).
    I have also found through research that it is mainly people who are buying these Audi's with out right money as no way would a finance company put up with such garbage. So you see you who are targeted have the same rights as those finance companies because believe me if my car was on finance they would have to replace it immediately in order for me to pay them the money its all the same principle and such a civil matter.
    And so you should resort to legal action as i feel this is the only way forward.

    I have even considered a part exchange at BMW as they claim they don't have the same problem.
    Audi have caused me great stress in my career and education and even dropping my children off to school as they failed to provide me with safe transit throughout my everyday life.
    I paid 20'000 (outright) for a suitable vehicle to do this and i am not going to give up no matter what untill i see some justice. wish me luck.

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  3. #2
    6th Gear

    Join Date
    Feb 2010
    Sorry to hear of your troubles, and hope you get this sorted. You have posted in the B5 forum which is A4's from 1995 to 2001, you should put this in the B7 forum as you may get more response with other people who have the DPF fitted to there A4. http://www.audi-sport.net/vb/forumdi...ab-(B7-Chassis)

  4. #3
    Tyler Owen's Avatar

    Join Date
    Dec 2008
    I work in a Mitsubishi main Dealer all manufactures are having issues with DPF, its a nightmare and not fully developed for road use at the moment in my opinion, but whilst the government base the Road Fund Licence on C02 emissions this the current best way to ensure low C02 emissions.

    In relations to Audi when i purchased my A3 i remember on the vehicle handover one of the check list has "Explanation of the DPF system" by it, now not applicable to my purchase but its there none the less, (as of Feb 2010) can't say when this was introduced as I don't know. But obviously an attempt to cover themselves against this kind of scenario.

    If you google DPF and go to the RAC website i'm sure its says on there that the if using a you use your vehicle in short around town journey's then your advised to purchase a petrol equivalent ....

  5. #4
    6th Gear

    Join Date
    Sep 2009
    oh dear. and youd have thought low mileage meant it would be a minter..

  6. #5
    "Stick a V8 in it!"

    Join Date
    Jan 2008
    Glenrothes, Fife, Scotland
    Its nothing to do with it being a "minter"

    The DPF collects up all the soot from the derv, then periodically the engine injects lots of fuel into the DPF in order to burn off the soot thats built up. It can only do this "regneration" cycle if the engines fully warmed up and being driven within certain paramaters, and if the car only gets driven 3miles to work and back, every day, and never anywhere else, the regeneration will never occur, the DPF will become blocked, and you'll get an EML and it will cut back on power etc.

    All the car needs is a proper drive once a week, take a run to the tesco thats 10miles away rather than round the corner or whatever, and the engine will take care of itself.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build

  7. #6
    6th Gear

    Join Date
    Sep 2005
    I have a golf with the same DPF. have to be honest with you it has never come on mainly because I drive like it is stolen when ever an opportunity presents itself.
    I would be tempted to have the filter modified as I understand that the blockage can be limited with a quick hole drilled through the centre.

    It is a flawed design and I would be more inclined to work around it than expect a dealership to feel the pain financially for something they are probably quite entitled to ignore legally.

    you will also find that it doesn't tkae a long distance, it just requires some temperature. start racing chavs at the lights!



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