 | Home > Puma (Tdci) > Puma2.2 DPF delete |
 
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| Mcd Member Since: 01 Dec 2015 Location: Scotland Posts: 12   
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Had my puma 2.2 DPF removed but cat left in place.
DPF deleted in software running great but after 1200 miles and 5 weeks The DPF regeneration light has come on. Any ideas would be much appreciated. |
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30th Dec 2015 8:08pm |
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| Jukathy Member Since: 25 Jan 2015 Location: Berlin Posts: 170 
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Good joke, man
2.2 equipped w/ DPF only. No cats under the car. So dream along ... Jukathy |
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30th Dec 2015 9:25pm |
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| Mcd Member Since: 01 Dec 2015 Location: Scotland Posts: 12
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Dpf was cut open all bottom honeycomb removed, left cat in place at vert top, ecu reprogrammed deleting dpf.
Been running great not sure why regen light has come on after 1200 miles |
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30th Dec 2015 10:40pm |
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| Jonno Member Since: 06 Mar 2012 Location: Yorkshire Posts: 234 
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Did the person who did the work actually know what they were doing ?
It sounds like it's function has not been removed in the software. If it has and the dpf is still partly there it will surely block if it isn't set to regenerate. Personally i think it's there for a reason and you have paid for it so why remove it the defender isn't a sports car. It's a 4x4 and a bloody slow one at that . . |
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30th Dec 2015 10:59pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17382 
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Did the person who made the software mods really understand what they were doing? There are very few people I would have confidence in to do this.
It will be interesting to hear what happens when/if the fuel strategy starts dumping masses of fuel down the exhaust to start the regen! A bodged removal will give more trouble than a DPF ever would (why was it butchered in the first place, by the way?), quite apart from being illegal on the road. |
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30th Dec 2015 11:16pm |
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| Jukathy Member Since: 25 Jan 2015 Location: Berlin Posts: 170
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Did u take pics from the honeycombs, man? Cause I cannot believe this. Sounds still like bad jokes to me  |
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30th Dec 2015 11:35pm |
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| Cuthbert Member Since: 26 Oct 2013 Location: Up North Posts: 1535 |
I'd like to understand the thinking behind undertaking this modification? It sounds all a bit 'experimental' to me, although I can see the appeal in not having a DPF (which in itself is a pretty crude solution to anti-pollution control). |
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30th Dec 2015 11:47pm |
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| WhiskyJackR Member Since: 25 Nov 2014 Location: Lizard Posts: 159
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Kinda sounds like one of those hotel room operations where you wake up in a bath of ice minus a kidney!!! Any farther South and I'll need to trade the Defender in for a Landing Craft
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30th Dec 2015 11:53pm |
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| Jukathy Member Since: 25 Jan 2015 Location: Berlin Posts: 170
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My idea: The DPF is still in place and sb tricked you very badly
Now just start the DPF regen anyway. Make the DPF light disappear. And you'll see .. |
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30th Dec 2015 11:58pm |
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| Mcd Member Since: 01 Dec 2015 Location: Scotland Posts: 12
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The ecu was done professionally, the reason it was removed it's a slow farm vehicle that needed its oil changed every few weeks as flooded with diesel. Engine never gets that hot due to farms being only a mile apart. It spent more time in the dealers than at work
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31st Dec 2015 7:48am |
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| Iktank Member Since: 08 Nov 2014 Location: Porthcawl Posts: 237  
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if the DPF has been removed - and for the others making unhelpful/sarcastic comments it can be removed as BAS offer this service - the software prob has a glitch.
If the vehicle still drives OK there should not be an issue as there is nothing to get blocked up. Best bet give Pete at BAS a call he may be able to help |
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31st Dec 2015 8:44am |
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| Jukathy Member Since: 25 Jan 2015 Location: Berlin Posts: 170
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Done professionally? I can hardly believe that sb believes that the removal of the honeycombs really is professional.
Although I do still suppose that your 'professional' did simply remove nothing... ...you've been tricked, man, don't you see? An EU5 Defender with DPF or an EU3 Defender without anything in the exhaust are professional - like Land Rover delivers it. Why exactly did you buy an EU5 car from Land Rover? UK provisions? Your own environmental conscience as a farmer? P.S. You don't need an EU5 approval for a farmer's. In the EU at least. |
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31st Dec 2015 8:50am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17382
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If the software modifications were done by a professional (someone of the calibre of BAS) then get in touch with them, since they will know what was changed and how much of the DPF monitoring and regen strategy software is still present. If the regen light has come on, it seems likely to me that either (a) the ecu has received a false 'DPF blocked' sensor input, (b) has attempted a regen which (hopefully) cannot take place, or (c) has erroneously turned on the light but done nothing else.
Whilst I do now understand why you had the DPF removed I fail to understand why you didn't remove the cat at the same time leaving a clear exhaust. I know the cat and DPF are a single physical unit but are you sure the innards are discrete? Given also that there are probably many 2.2 Defenders which operate under similar conditions (farms, quarries, etc) apparently without problems I have to wonder if there was an unresolved malfunction with your particular vehicle, causing frequent regen attempts, which may still be present. |
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31st Dec 2015 9:39am |
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| AndrewS Member Since: 10 Apr 2007 Location: Hereford Posts: 3707 
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Was it Doctor Nick
130's have feeling's as well you know |
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31st Dec 2015 10:12am |
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