Home > Technical (L405) > I'm now a Regeneration trainee nerd--lol |
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Spridget Member Since: 09 Dec 2023 Location: Northumberland Posts: 127 |
Quick update: Regens seem to be back to normal now and triggered at just under 20g soot with about 170 miles between regens. One fault that I did find was an almost completely blocked MAP sensor. Would this stop a regen from happening I wonder. 🤔 |
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2nd Jun 2024 5:58pm |
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lambo911 Member Since: 13 Jan 2022 Location: St Albans Posts: 85 |
I have been running the Car Scanner app for a while now and have made some interesting, well to me anyway, observations.
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9th Jul 2024 3:35pm |
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Spridget Member Since: 09 Dec 2023 Location: Northumberland Posts: 127 |
I monitor every regen now and my soot climbs at 1g increase per 10 to 11 miles during average journeys. Regen starts at 18.8g on the dot and miles between regens is about 160, more on a long run.
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14th Jul 2024 12:27pm |
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luxmoggy Member Since: 19 Jun 2020 Location: Trier Posts: 458 |
https://www.fullfatrr.com/forum/topic70608.html
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14th Jul 2024 1:24pm |
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Mikeerhymes Member Since: 01 Sep 2018 Location: Manchester Posts: 20 |
Thanks for all the information Kot, I’ve joined the monitoring club! In hindsight knowing what I do now, I would not have gone down the SDV8 route. Having moved on from the L322 TDV8 after 7 faultless years I thought it was the obvious choice keeping with the ‘same’ 4.4 engine… |
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16th Jul 2024 5:03pm |
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Kot Member Since: 10 Mar 2021 Location: broadland Posts: 1178 |
Oil is cheap Its still a bloody good engine,just the DPF architecture is poor.
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17th Jul 2024 9:54pm |
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Spridget Member Since: 09 Dec 2023 Location: Northumberland Posts: 127 |
So After almost a year of soot monitoring I thought the time had come to let it do it's own thing, stop being fanatical and just check occasionally that all is well. After a longish run when a regen should've happened I had a little peek and of course it had sailed past the 18.8g of soot where it always starts and into the 20s. After trying every trick in the book to get it to start and soot climbing relentlessly towards the amber triangle zone I pulled into a layby to look for a suitable branch to do a Basil Fawlty impersonation, " Right you B......d you've gone too far this time, I'm going to break out the iCarsoft LRV3 and see if it really can force a regen. You'll be sorry!" Just as the car stopped, the soot started to drop and after almost causing a pile up on a very busy A1 I managed to re join the traffic and it did a textbook regen. Miles to 0, soot to 4g.
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1st Aug 2024 3:18pm |
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Kot Member Since: 10 Mar 2021 Location: broadland Posts: 1178 |
2018 SE SDV8 4.4 Byron Blue |
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1st Aug 2024 9:59pm |
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Silverstone Member Since: 30 May 2024 Location: Silverstone Posts: 19 |
I haven't looked for a few days at the readings and today it says soot is 17.25% and its been 268 miles since a regen. In fact, this will be my first regen as I have only had the car a few weeks. At the weekend the car had a good 40 mile run including motorways so hopefully it would had regen'd if it needed to (but has not).
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2nd Aug 2024 7:53am |
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Spridget Member Since: 09 Dec 2023 Location: Northumberland Posts: 127 |
I can't get those readings either. I've tried several different profiles and the one I find best is Jaguar F Pace. My car is TDV6. You're doing well to get that sort of miles between regens. Mine are mostly 150 to 200 miles and regens are usually 18.8g soot on the dot but occasionally it will go into the 20s. I think the Amber alarm comes in at 24.5 but could be wrong. What triggers a regen is still a bit of a mystery to me. Sometimes a fastish run in Sport mode does it but other times it'll start at 25 mph. I find that Sensor 2 on bank 2 gives the best steady reading but yours may be different.
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2nd Aug 2024 5:24pm |
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4RRS Member Since: 13 Apr 2022 Location: Crudgington Posts: 162 |
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2nd Aug 2024 6:11pm |
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Silverstone Member Since: 30 May 2024 Location: Silverstone Posts: 19 |
Finally lost my regen cherry tonight. After 335 miles of mainly short commutes and a few motorway runs it finally regenerated at 20.5 % soot. Very satisfying watching the temp rise to 600 degrees C and numbers tumble. Took about 12 miles/ 8-9 minutes to complete though.
"There is no replacement for displacement" - W O Bentley |
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8th Aug 2024 8:09pm |
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MattEngineer Member Since: 02 Sep 2024 Location: Somerset Posts: 4 |
Firstly, thank you for all of the expertise that already features in this thread. I would welcome views on some recent behaviour demonstrated by my L405 MY17 AB.
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17th Sep 2024 9:01am |
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MattEngineer Member Since: 02 Sep 2024 Location: Somerset Posts: 4 |
Firstly, thank you for all of the expertise that already features in this thread. I would welcome views on some recent behaviour demonstrated by my L405 MY17 AB.
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17th Sep 2024 9:02am |
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