Volvo Owners Club Forum - View Single Post - What did you do to your S80/V70/XC70 today?

hal9000f · Mar 15th, 2023, 10:21

It wasn't today, but needed to be tidied up.

I have recorded the successful normal DPF regen triggered by the accumulated 2.000 km instead of accumulated soot.

https://youtu.be/Nkv3mG7KLLk

Explanation (which is also included with YT video) follows.

Volvo V70 D3 normal DPF Regeneration in colder weather - 5 cyl. diesel engine D5204T7 model year 2013.

Small contribution to other similar videos and info.

Done with Car Scanner Pro ELM OBD2.

This normal DPF regen was not started because of the soot amount threshold which usually triggers it, but because of the accumulated 2.000 km without DPF regen which was not started because accumulated soot did not reach the threshold of around 25,5-26,0 g.

Amount of the soot which triggers the DPF regen on this car is usually about 25,70 g and it was recorded three times before, but in warmer weather.

But, in the colder weather and my 75% motorway / 25% city driving the soot build up is much slower than in summer or early autumn.

The last two DPF regens (including this one) were started when the car accumulated almost exactly 2.000 km since last regen and the soot amount was way below the usual trigger of around 25,5-26,0 g.

So, DPF regen does not only start when enough soot is accumulated in DPF (around 25,5-26,0 g in my car). It looks like 2.000 km is the other trigger, which starts the DPF regen if the threshold of the soot amount is not reached within 2.000 kms.

Ride description follows.

Ride date: 2023-02-22 (from 15:39 CET to 16:35 CET)

Outside temperature: around 10 C

Ride started in the city. Then most of the ride was on a motorway (where complete DPF regen occured) with only a last few kilometres again in the city.

Ride start: 249.079 km
Ride end: 249.133 km
Ride total: 54 km (56 minutes)

DPF regen start: 249.094 km (at video time 21:03 and soot 21,41 g)
DPF regen end: 249.118 km (at video time 41:18 and soot 5,59 g)
DPF regen total: 24 km (20 minutes)
(engine speed was mostly 1.700-2.000 RPMs in 5th gear, but not all the time)

DPF regen Soot Start: 21,41 g
DPF regen Soot End: 5,59 g

Did anyone else noticed / experienced such slow soot accumulation and DPF regen triggered by accumulated miles instead of grams of soot?

Mar 15th, 2023, 10:21	#400
hal9000f Member Last Online: Yesterday 20:54 Join Date: Feb 2007 Location: Zagreb	V70 D3 normal DPF Regeneration recorded It wasn't today, but needed to be tidied up. I have recorded the successful normal DPF regen triggered by the accumulated 2.000 km instead of accumulated soot. https://youtu.be/Nkv3mG7KLLk Explanation (which is also included with YT video) follows. Volvo V70 D3 normal DPF Regeneration in colder weather - 5 cyl. diesel engine D5204T7 model year 2013. Small contribution to other similar videos and info. Done with Car Scanner Pro ELM OBD2. This normal DPF regen was not started because of the soot amount threshold which usually triggers it, but because of the accumulated 2.000 km without DPF regen which was not started because accumulated soot did not reach the threshold of around 25,5-26,0 g. Amount of the soot which triggers the DPF regen on this car is usually about 25,70 g and it was recorded three times before, but in warmer weather. But, in the colder weather and my 75% motorway / 25% city driving the soot build up is much slower than in summer or early autumn. The last two DPF regens (including this one) were started when the car accumulated almost exactly 2.000 km since last regen and the soot amount was way below the usual trigger of around 25,5-26,0 g. So, DPF regen does not only start when enough soot is accumulated in DPF (around 25,5-26,0 g in my car). It looks like 2.000 km is the other trigger, which starts the DPF regen if the threshold of the soot amount is not reached within 2.000 kms. Ride description follows. Ride date: 2023-02-22 (from 15:39 CET to 16:35 CET) Outside temperature: around 10 C Ride started in the city. Then most of the ride was on a motorway (where complete DPF regen occured) with only a last few kilometres again in the city. Ride start: 249.079 km Ride end: 249.133 km Ride total: 54 km (56 minutes) DPF regen start: 249.094 km (at video time 21:03 and soot 21,41 g) DPF regen end: 249.118 km (at video time 41:18 and soot 5,59 g) DPF regen total: 24 km (20 minutes) (engine speed was mostly 1.700-2.000 RPMs in 5th gear, but not all the time) DPF regen Soot Start: 21,41 g DPF regen Soot End: 5,59 g Did anyone else noticed / experienced such slow soot accumulation and DPF regen triggered by accumulated miles instead of grams of soot? __________________ [1981...244gld6] - 1992. > 2004. [1997 ... 855tdi] - 2004. > today. [2013 ... V70d3] - 2022. > today.