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S60 & V60 '11-'18 / XC60 '09-'17 General Forum for the P3-platform 60-series models |
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[GUIDE] DPF Experiment and ResultsViews : 19955 Replies : 53Users Viewing This Thread : |
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Feb 21st, 2017, 20:47 | #11 | |
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Quote:
For many of us the lure of £30 a year road tax, 64mpg and 0-60 in 6.7 seconds is too strong and we must learn to understand our DPFs more intimately. |
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Feb 21st, 2017, 21:58 | #12 |
from C30 to XC60
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Great stuff! Thank you for sharing.
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Feb 21st, 2017, 22:04 | #13 |
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Feb 22nd, 2017, 09:03 | #14 |
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Just wanted to say thanks, great research and effort, not personally had a problem in my FWD D4 but good to know what to check.
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Feb 22nd, 2017, 09:57 | #15 | |
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Regardless, as you say it's great to know how to manipulate them for a long lasting and healthy engine. |
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Feb 22nd, 2017, 10:08 | #16 |
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Do you have a feel for how quickly the soot levels fall once an active regeneration has started?
A LONG time ago, there was a post on Briskoda from someone who'd datalogged the progress of a regeneration from start to finish, while at a steady 65mph on a motorway. The car was a Superb with the 2.0 common-rail diesel. From memory, the data showed that the soot levels fell from the active regen 'start' threshold, to less than 5% soot loading (which was the minimum level indicated by the ECU), in around 10 minutes - so the soot levels fall quickly. However, the ECU continued post-injection for another few minutes AFTER the soot loading had fallen below 5%, presumably this is a margin to ensure that the maximum amount of soot is burnt off. Last edited by craigv60; Feb 22nd, 2017 at 10:11. |
Feb 22nd, 2017, 10:15 | #17 | |
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I've not been able to watch the soot values live as I was alone in the car without the laptop. If I ever get a chance to I'll live log an active regeneration and update this post. I'm not sure what Briskoda was logging but in my car the value is given in grams of soot and DPF pressure not % loading. |
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Feb 22nd, 2017, 12:22 | #18 | |
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It's really useful information, thanks for posting. |
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Feb 22nd, 2017, 14:51 | #19 | |
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Roy
__________________
1984 245 SE 1986 345 SE Auto 1991 940 TD Auto 2003 XC90 D5 SE AWD Geartronic2002 V70 D5 SE Auto 2014 V40 D2 SE Tiptronic Cross Country 2017 V40 D2 Cross Country Geartronic Pro 2015 XC60 D5 Polestar SE Lux Nav AWD Geartronic |
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Feb 22nd, 2017, 15:09 | #20 | |
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The D5 engines have shared the same block, cylinder bore, stroke, turbos, common rail and compression ratios across different generations including 163-185. I'm not saying the DPF is an afterthought or even that it is done badly, what I am saying is that the D4 in it's current iteration was built from scratch to include a DPF. Over the years and even in this forum there has been DPF issues and oil level caused by DPF issues on the D5 highlighted and discussed. |
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dpf, regeneration, rising, soot, soot filter |
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