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Thread: Thoughts on potential Pitfalls with Dpf removal ??

  1. #1
    Regular Member DeanF's Avatar
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    Default Thoughts on potential Pitfalls with Dpf removal ??

    1st car i have owned with a Dpf & im fed up with it already, Too much potential for costly problems & although they do catch the soot, They just burn it off (Alledgedly at some unknown point in time ) & then dump it in the Atmosphere at a later date.

    It's the Motor manufacturers version of Fly Tipping !!

    So here are my thoughts on the process of removing the Dpf !!

    Remove the Dpf O2 Style sensor & save to refit in exhaust !
    Remove & cap off the Diesel injector pipes.

    Chop out the Filter & cat.

    Manufacture & fit a Dpf bypass pipe (Cat by pass pipe as such)

    Refit Sensor.

    Potential For Errors

    I believe the Ecu issues a regen by monitoring pressure within the filter, Pressure bulid up = regen notification

    No Dpf filter, No pressure build up, No regen ever issued, No Error

    Diesel is also injected into the Dpf to achieve higher than normal operating temps. This again is only done with a Regen notification, So no filter , No pressure build up, No diesel injected, No error.

    Fueling & Emmisions Etc should not be affected as the Dpf has no direct link to how much fuel & air Etc is used by the engine.

    Your Thoughts on this ??

    Cheers

    Dean

    Last edited by DeanF; 21st January 2008 at 21:07.

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    Regular Member Gsi3.2's Avatar
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    seeing how the DPF is tied into the cars electronic monitoring systems quite firmly.. i would suggest that the CANBUS will have a fit when it can't sense the signals to and from the DPF sensors...

    i wonder if you could substitute the cars engine ECU programming for a non DPF equipped model??..that would tell it that it never came with one in the first place..remove a load of sensors etc etc and you MAY have a runner..car not idea..

    Why the need to remove it anyway?...if your remapper is any good they will include an increased regeneration cycle protocol into it..EDS do this to all their DPF maps..

    who's map are you having fitted?..

  3. #3
    On a Sabbatical VauxVeteran's Avatar
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    Might trip you up at MOT time, but like you, if I had one I'd wanna remove it as well, then find the enviromentalist that thought it up and use it to filter his farts.

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    Regular Member DeanF's Avatar
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    Quote Originally Posted by Gsi3.2 View Post
    seeing how the DPF is tied into the cars electronic monitoring systems quite firmly.. i would suggest that the CANBUS will have a fit when it can't sense the signals to and from the DPF sensors...

    i wonder if you could substitute the cars engine ECU programming for a non DPF equipped model??..that would tell it that it never came with one in the first place..remove a load of sensors etc etc and you MAY have a runner..car not idea..

    Why the need to remove it anyway?...if your remapper is any good they will include an increased regeneration cycle protocol into it..EDS do this to all their DPF maps..

    who's map are you having fitted?..
    I was just thinking the same then about replacing the map Or removing that part of the Map.

    This is where the Mappers have the Time, Cars & inclination to play about (Wish i did)...

    Since the update of the regen software, Mine seems to have a mind of it's own & keeps throwing up the Spanner light, I just have this sense that it's going to end up costly !!!

    Derv Doctor as he is virtually on my Doorstep...

    Dean

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    Regular Member Gsi3.2's Avatar
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    well, get the spanner light fixed ( or at least diagnosed) before the remap..

    before you part with ANY hard earned...make sure that they include enhanced regeneration cycles...if they don't..walk away and take you car to someone who use EDS generic maps..they 'do' offer enhanced protection..

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    Regular Member DeanF's Avatar
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    Quote Originally Posted by VauxVeteran View Post
    Might trip you up at MOT time, but like you, if I had one I'd wanna remove it as well, then find the enviromentalist that thought it up and use it to filter his farts.
    That would be an EFF then

    Environmentalists F@rt Filter as tried & tested on Vauxhall's

    Dean

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    Regular Member Gsi3.2's Avatar
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    VV's got a point...when the car comes up for MOT's the soot emmisions will be listed against a DPF equipped vehicle, so if it produces too much soot, instant fail.

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    Regular Member DeanF's Avatar
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    Quote Originally Posted by Gsi3.2 View Post
    well, get the spanner light fixed ( or at least diagnosed) before the remap..

    before you part with ANY hard earned...make sure that they include enhanced regeneration cycles...if they don't..walk away and take you car to someone who use EDS generic maps..they 'do' offer enhanced protection..
    There's the Conundrum you see, I have had the Codes read via a few thousand pounds worth of diagnostic software at the Garage the 1st time this happend & No Dtc's, Now go & spend more money when it happens again in the future (Roughly 300 miles time) with Vauxhall & they say the same , No Dtc's stored. As you will know Mark, there are many posts on here which have gone to vauxhall with the spanner light on, Only to be told no Code ...

    Excuse my ignorance, But what are Eds Generic Maps ??

    Are these Original Maps Manipulated ???

    Cheers

    Dean
    Last edited by DeanF; 21st January 2008 at 21:48.

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    Regular Member Ben H's Avatar
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    I did read on TIS a DPF can be retro fitted to cars providing they came from factory prep'd with wiring harness to do so. So I've been think along the lines also if it was possible to remove in a decat fashion and have it tech 2'd out.

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    Regular Member Gsi3.2's Avatar
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    EDS is a german tuning company that specialises in creating maps for cars with known modifications...'off the peg' maps so to speak...

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