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dpf-----------regen

vw754 Mar 29, 2014

  1. vw754

    vw754 vorsprung Durch Technik

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    Hi, ive just checked with vcds.......soot mass calculated 10.14g soot mass measured 10.49g

    does it need a regen?

    If not when will the car regen itself?

    I tried do a regen while standing,but vcds says 'aborted for safety reasons'

    im not 100% on this but i think rosstech site shows regen of pd engines,not cr tdi like i have(could be wrong)
     
  2. dieseldoos

    dieseldoos Active Member VCDS Map User

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  3. Anthony566

    Anthony566 Active Member

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  4. vw754

    vw754 vorsprung Durch Technik

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  5. vw754

    vw754 vorsprung Durch Technik

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    maybe........its not full enough?...........according to this i cant ,its got me more full than 10.14g/10.49g ?



    .6l/2.0l R4 CR-TDI

    With the newer CR-TDI engines there are 2 different types of regenerations available depending on the actual soot mass/load. If either the calculated or measured soot mass is above 30g but below 40g you can initiate a regeneration while standing (Idle will be raised etc.), a forced regeneration while driving is also possible. Once the values are above 40g (but below the max 45g) the regeneration while standing is no longer available and the regeneration while driving is the only way
     
    Last edited: Mar 30, 2014
  6. Zafi

    Zafi Well-Known Member

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    Just go for a 20 mile motorway blast in 3rd........
     
  7. vw754

    vw754 vorsprung Durch Technik

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    dpf's dont regen by blasting/thrashing in any gear.
     
    Audi Toby likes this.
  8. dave_1501

    dave_1501 New Member

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    No it doesn't, but it does generate the temperatures required to burn the soot off and clean the filters.
     
  9. desertstorm

    desertstorm Moderator Staff Member Moderator VCDS Map User quattro Audi A4 Audi Avant Owner Group TDi

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    DPF's will do passive regeneration if driven on a motorway at a reasonable speed. The temperature should reach a suitable level to start burning off the built up carbon. This is why cars driven on motorways regularly are less susceptible to having a blocked DPF.

    diesel particulate filter (dpf) | AA

    Karl.
     
  10. Zafi

    Zafi Well-Known Member

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    I have done about 300,000 miles in DPF cars since 2004 and never had and problem whatsoever. Free flowing cross country driving, hardly any queues through towns, motorway maybe twice a month.

    The only time I did have a problem is when I fitted a tuning box and within 400 miles the DPF light came on, so I sent the box back and took the car for a high revs drive and it cured itself.
     
  11. Audi Toby

    Audi Toby 2016 S3 Saloon

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    10g to little to do a regen. It will only let you do a manual regen when it is nearly full (30g and above) if I drive on my commute (20mins 60mph road) it will regen between 15-20g on its own every week or so.
     

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