Home > Technical (L405) > I'm now a Regeneration trainee nerd--lol |
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AndyRoo Member Since: 06 Dec 2023 Location: Gloucester Posts: 542 |
Hi, there seems to be some folks who are thinking fuel in the oil is down to failed DPF regenerations, this is not true, fuel gets into the sump during the exhaust stroke regardless of whether the regen is successful or not as the DPF is downstream of the exhaust port, i.e. the diesel (or most of it) has already passed through the engine before it reaches the DPF.
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8th Feb 2024 10:40am |
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Gremlin500 Member Since: 11 Mar 2022 Location: Newcastle, UK Posts: 1417 |
@AndyRoo:
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8th Feb 2024 1:33pm |
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AndyRoo Member Since: 06 Dec 2023 Location: Gloucester Posts: 542 |
Hi, thanks for the explanation, every day is a school day
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8th Feb 2024 1:40pm |
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Kot Member Since: 10 Mar 2021 Location: broadland Posts: 1194 |
One of the trigger points is the average distance between Regens. Of course if you do a lot of 30-40mph events then soot load will of course rise faster than the average distance etc Thats why the soot grams pid, I now find, is a more useful guide to when its going to actually trigger. 2018 SE SDV8 4.4 Byron Blue |
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8th Feb 2024 2:00pm |
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alanm_3 Member Since: 19 Feb 2011 Location: my House, unless I’m not at home, in which case I’m somewhere else. Posts: 6719 |
Ok, DPF gurus, I’m needing a bit of help making sense of these figures, I’m struggling to find the same values as previous posts using my IIDtool.
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26th Feb 2024 6:15pm |
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luxmoggy Member Since: 19 Jun 2020 Location: Trier Posts: 461 |
most of us are using a different dongle and software for measuring/monitoring the values.
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26th Feb 2024 9:21pm |
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Gremlin500 Member Since: 11 Mar 2022 Location: Newcastle, UK Posts: 1417 |
Hi Alan,
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27th Feb 2024 7:52am |
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CerebralThunder Member Since: 16 Mar 2022 Location: Midlands Posts: 22 |
I have a L405 2015 3.0 Hybrid (I posted about it earlier in the thread).
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1st Mar 2024 1:22pm |
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TonyHammer61 Member Since: 14 Sep 2023 Location: Sidcup, Kent Posts: 11 |
Hi Andy. That is interesting as I had always put the oil dilution down to regen's not happening. What can I get JLR to check instead of them just telling me to change my driving style and changing the oil - again? My mate has a 67 plate L405 4.4 SD V8 just like mine. Hardly uses it and never gets these oil dilution issues. Some have suggested that the sensor is faulty or the software is malfunctioning |
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1st Mar 2024 1:29pm |
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Gremlin500 Member Since: 11 Mar 2022 Location: Newcastle, UK Posts: 1417 |
Hi Tony, I think you may have missed my response to Andy back up the thread. You were correct, it IS multiple failed regens which really rack up dilution. It’s a known fact that the JLR diesels suffer from dilution, due to the “remote DPF architecture” and the inability for passive regeneration to occur, at least to a significant level, when much of the driving is “short & slow”, hence the need for Active Regeneration.
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1st Mar 2024 3:26pm |
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TonyHammer61 Member Since: 14 Sep 2023 Location: Sidcup, Kent Posts: 11 |
Thank you Gremlin500 |
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1st Mar 2024 3:28pm |
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fisha Member Since: 25 Sep 2009 Location: Scotland Posts: 1350 |
CerebralThunder
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2nd Mar 2024 12:28am |
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CerebralThunder Member Since: 16 Mar 2022 Location: Midlands Posts: 22 |
@fisha
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2nd Mar 2024 4:58pm |
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Kot Member Since: 10 Mar 2021 Location: broadland Posts: 1194 |
CT
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3rd Mar 2024 9:53am |
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