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Thread: Problem with DPF 2.0 BRE

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  1. Problem with DPF 2.0 BRE 
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    Hello
    Problem with dpf every week clogged dpf auto in safe mode,
    dpf disassembled soaked in cleaning chemistry then rinsing with a pressure washer, a week of peace and renewal used foams for cleaning dpf the same effect a week of calm and clogged again,
    a bit of history of the car 2.0tdi BRE engine, the head was changed to a regenerated one, the old one had cracks between the valves and the spark plug, after the change everything was ok for two days and problems with the dpf began,
    I did the heads myself, I put everything together according to the book, but to be sure I took the car to the mechanic, they checked the timing again, they set the injectors again, but the problem did not disappear, and now the question is because when I was buying the head gasket, they advised me in the store that it is better to put it thicker than it was that it will be better for the engine etc. The question is whether a thicker gasket can cause problems with t dpf, before replacing the head I had no problems with the dpf. The pressure difference sensor on the dpf was also replaced.
    New dpf fitted last week and the same clogged after a week,

    Advise me please because I already lack ideas and patience for this car

    Regards Bartosz
     
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  2. Re: Problem with DPF 2.0 BRE 
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    Its unlikely to be the head gasket, how many miles has it done? Could be all sorts though sensors egr system is that working correctly? Is the turbo ok? Any fault codes?


    Sent from my iPad using Tapatalk
    Regards Dean Warren. VCDS owner/user
    Audi A6 Avant 2.5 TDi (AAT 115BHP) 305k Sold
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  3. Re: Problem with DPF 2.0 BRE 
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    So at the moment no fault codes just light on dash. it has done 119000, Egr I was testing it with vcds and it's working, I disconnect as well tube which going out from egr cooler to egr valve start the engine and smoke was going out from pipe so am assuming cooler is not clogged,
    DPF pressure sensor was changed and dpf temperature sensor as well,
    I'm Thinking about injectors may by them causing that problem??
     
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  4. Re: Problem with DPF 2.0 BRE 
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    BRE , subject to the 77mm planned obsolescence device .
     
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  5. Re: Problem with DPF 2.0 BRE 
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    " I disconnect as well tube which going out from egr cooler to egr valve start the engine and smoke was going out from pipe so am assuming cooler is not clogged, "

    But does the EGR valve close completely when
    commanded by the ECU.

    If it is stuck partially open, the DPF won't be able to regenerate.
     
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  6. Re: Problem with DPF 2.0 BRE 
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    Quote Originally Posted by barteekb View Post
    So at the moment no fault codes just light on dash
    That is technically not possible (with some odd exceptions like I had this week) so which code reader are you using?
    A petition has been started to allow the use of synthetic fuels when they become available, this may allow the continued sale of ICE vehicles post 2030 and the use of classic vehicles well into the future… Their use may even be able to rival electric vehicles given the chance. Please sign this petition IF you feel the infernal combustion engine has a future if sustainable fuels are made available


    https://petition.parliament.uk/petitions/588774
     
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  7. Re: Problem with DPF 2.0 BRE 
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    EGR yes I have checked it By VCDS and its open and closed completely when tested.
    I'm using VCDS version i think it is 21.1 and I have as well VagCanPro. About falut codes It showing DPF sign on dash meaning regeneration is started, before with old dpf it was showing P2002 diesel particulate filter efficiency below threshold
     
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  8. Re: Problem with DPF 2.0 BRE 
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    In my experience P2002 means the DPF is blocked and will not forced regen unless you cheat which is dangerous.
    A petition has been started to allow the use of synthetic fuels when they become available, this may allow the continued sale of ICE vehicles post 2030 and the use of classic vehicles well into the future… Their use may even be able to rival electric vehicles given the chance. Please sign this petition IF you feel the infernal combustion engine has a future if sustainable fuels are made available


    https://petition.parliament.uk/petitions/588774
     
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  9. Re: Problem with DPF 2.0 BRE 
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    Yes I know that but I have changed DPF for brand new and after a week time it shows me light on dash. I don't thing it is blocked after a week time.
     
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  10. Re: Problem with DPF 2.0 BRE 
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    Which make, B&M?
    A petition has been started to allow the use of synthetic fuels when they become available, this may allow the continued sale of ICE vehicles post 2030 and the use of classic vehicles well into the future… Their use may even be able to rival electric vehicles given the chance. Please sign this petition IF you feel the infernal combustion engine has a future if sustainable fuels are made available


    https://petition.parliament.uk/petitions/588774
     
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