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Thread: DPF Removal

  1. #1
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    Vehicle : Vectra C Estate

    Trim : Elite

    Engine : 1.9 CDTI 150BHP

    Year : 2006

    Mileage : 141000

    Default DPF Removal

    Guys,
    The time has come I think to get the DPF removed. It's just done 3 regens in a row and its still 110% saturated so I take it this means it must be blocked and soon the car will go into limp mode. Also the remaining oil life was 46% last week and now its only 4% and needs changing. I know it reduces with regens but really, that much! Been told by the local remapping place that I have to empty the contents of the DPF and put it back on the car as the remap needs to see the pressure sensor and temp sensor. I thought a remap would do away with them and I could fit a straight pipe? Anybody know a trust worthy remapping company in or near Dudley I could try.

  2. #2
    Regular Member C-Owner's Avatar
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    Default

    Clean out the old DPF unit carefully wearing a mask and goggles.

    You can drill it through first then bash out the remainder making sure not to damage the casing then refit it including all pipe work.

    They will then map off the DPF from the ECU.

  3. #3
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    Vehicle : Vectra C Estate

    Trim : Elite

    Engine : 1.9 CDTI 150BHP

    Year : 2006

    Mileage : 141000

    Default

    I can clear out the dpf and refit without any problems. Will this cause any excessive smoke from the exhaust under normal driving conditions? Can I use the new dpf option in opcom to reset it to 0% after I have refitted the box until I can get it remapped

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    Make sure the vehicle has no current fault codes or running issues except the DPF related ones.
    You need to immediately get it remapped after removing the DPF internals.
    Most professional re-mappers wont touch a ecu if there's problems elsewhere on the vehicle (engine related).

    I'm currently doing Mercedes DPF removals on 2007-10 CDI engines I have about 7 left to do, they are non performance related remaps but the reports are increased power and MPG with DPF removed.

    Make sure your remap is one you want and not a "hot" one as your engines not a new one .
    You don't want too much extra boost and performance going through it.


    Or do you

    Last edited by C-Owner; 5th April 2013 at 00:46.

  5. #5
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    Vehicle : Vectra C Estate

    Trim : Elite

    Engine : 1.9 CDTI 150BHP

    Year : 2006

    Mileage : 141000

    Default

    Dont want any extra performance, it was fast enough for me before the dpf problem. Most of my driving is around town hence the issue with the DPF. The only other issue is general glow plug fault code which is the glow plug in cylinder one! They will all be changed tomorrow when they arrive so the ECU should be code free unless the dpf fully blocks up over the next few days. My main concern is the car has no precat and im wondering will I start pumping smoke out the exhaust when the dpf is cleared out. It does not pump out smoke normally unless its doing a regen.
    I will get it remapped next week, just wondering if I tell it in opcom its had a new dpf fitted, will it reduce the saturation to 0% until I can get it remapped and stop the regen process?

  6. #6
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    Vehicle : Vectra C Estate

    Trim : Elite

    Engine : 1.9 CDTI 150BHP

    Year : 2006

    Mileage : 141000

    Default

    Dont want any extra performance, it was fast enough for me before the dpf problem. Most of my driving is around town hence the issue with the DPF. The only other issue is general glow plug fault code which is the glow plug in cylinder one! They will all be changed tomorrow when they arrive so the ECU should be code free unless the dpf fully blocks up over the next few days. My main concern is the car has no precat and im wondering will I start pumping smoke out the exhaust when the dpf is cleared out. It does not pump out smoke normally unless its doing a regen.
    I will get it remapped next week (littleteapot your services will be required), just wondering if I tell it in opcom its had a new dpf fitted, will it reduce the saturation to 0% until I can get it remapped and stop the regen process?

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    Trim : Sri nav

    Engine : Z19dth

    Year : 2006

    Default

    Have you tried a forced regen with opcom?

  8. #8
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    Vehicle : Vectra C Estate

    Trim : Elite

    Engine : 1.9 CDTI 150BHP

    Year : 2006

    Mileage : 141000

    Default

    No because the car is trying to regen by itself at the moment as its only 110% saturated not 125% which at that point I think I would try and do a forced regen. Is there some benefit to the car doing forced regen rather than letting the car do its own?


    Quote Originally Posted by mally View Post
    Have you tried a forced regen with opcom?

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    Don't do any forced re-gens as your turbo could get damaged with the problem you have at the moment.

    Quote Originally Posted by wheelspin View Post
    My main concern is the car has no precat ?
    Are you saying you have no catalytic converter fitted ?

  10. #10
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    Vehicle : Vectra C Estate

    Trim : Elite

    Engine : 1.9 CDTI 150BHP

    Year : 2006

    Mileage : 141000

    Default

    Yep, and that is why its blocked up. Its coming off tomorrow and being gutted.


    Quote Originally Posted by C-Owner View Post
    Don't do any forced re-gens as your turbo could get damaged with the problem you have at the moment.



    Are you saying you have no catalytic converter fitted ?

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