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hi newbie to forum with a w212 dpf issue any advice

Discussion in 'Introduce yourself' started by milesbetterRoy, Dec 6, 2017 at 7:44 PM.

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  1. milesbetterRoy

    milesbetterRoy Member

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    hi , I'm a newbie but aMerc fanatic I've a 2011 e220 w212 7matic displaying dtc code saying dog full of soot I sprayed in Dpf Doctor threw first tempeature sensor yesterday filled up with wynns to lower temp which engine Regens in haven' had a proper chance to run it through but there is a bit of a difference it' put my mil light back on its booked into Merc Tommorow and don't want it to beat me any help ideas appreciated thanks Roy
     
  2. LostKiwi

    LostKiwi Senior Member

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    Does your engine get to normal temperature?
     
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  3. OP
    milesbetterRoy

    milesbetterRoy Member

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  4. OP
    milesbetterRoy

    milesbetterRoy Member

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    it gets a lot hotter
     
  5. LostKiwi

    LostKiwi Senior Member

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    Are you saying your engine is overheating (engine coolant not DPF is what I'm talking about)?
     
  6. OP
    milesbetterRoy

    milesbetterRoy Member

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    no it's my dpf
    it's blocked
     
  7. OP
    milesbetterRoy

    milesbetterRoy Member

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    my engine gets to normal temp mil is on
     
  8. OP
    milesbetterRoy

    milesbetterRoy Member

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    87 degrees proper oil in her too
     
  9. LostKiwi

    LostKiwi Senior Member

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    Just trying to see why the DPF is blocked and why it's not doing a regen. Low engine temp is a cause for that.
     
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  10. OP
    milesbetterRoy

    milesbetterRoy Member

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    I don't understand it myself I know small journeys not good for them and my new partner doesn' t drive it far or fast but since this issue she' been doing 90 mile trip once a week , do u think a forced Regen from Merc would be a waste of cash done 45 miles today after I put in wynns eraced excess soot dtc and light never came on but guaranteed if I go out Tommorow it will be on again ....any advice thinking about tking it out to manually clean
     
  11. bembo449

    bembo449 Senior Member

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    a forced regen should see it right but if its anything like one of my customers lexus it may need summat a bit more radical
     
  12. OP
    milesbetterRoy

    milesbetterRoy Member

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    I've sprayed k2 indpf a week ago and dog doctor yesterday it's booked in at 11am at Mercedes at 150 for a Regen, my friend got his dpf deep cleaned at Halfords for 85 around half the price .thinking about another tin of dpf doctor only thing i can get my hands in and make Merc in time with if it fails any opinions?
     
  13. LostKiwi

    LostKiwi Senior Member

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    Frankly I'd get the forced regen done by MB. These are expensive bits of kit so do it properly rather than throwing god knows what down it.
     
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  14. OP
    milesbetterRoy

    milesbetterRoy Member

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    I'll take your advice bud

    Sent from my SM-G950F using Tapatalk
     
  15. malcolm210

    malcolm210 Senior Member

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    The car ecu forces a regen if the pressure sensors fore and aft of the DPF show the level of soot has built up so it may be possible that one or other of those has stopped working. No doubt hooking up to STAR will throw up a fault if there is one
     
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  16. star

    star Forum Supporter Authorised Forum Supporter

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    If the soot content is too high or the eml light is on, it will not regenerate. It can be done most times with the help of a star machine.
     
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  17. OP
    milesbetterRoy

    milesbetterRoy Member

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    I'm not getting a code saying there broke, would it need a star machine to diagnose

    Sent from my SM-G950F using Tapatalk
     
  18. bembo449

    bembo449 Senior Member

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    star will pin point the fault pal , just hope its not the pressure sensors as they are expensive for some cars , lexus are 550 + vat each !
     
  19. OP
    milesbetterRoy

    milesbetterRoy Member

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    I took it to Merc for Regen 125 plus vat good as new thanks for the advice

    Sent from my SM-G950F using Tapatalk
     
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  20. bembo449

    bembo449 Senior Member

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    excellent news , happy to help pal
     

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