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3L DPF ash load check

19K views 100 replies 22 participants last post by  adidas  
#1 ·
Post your readings along with your milage if you aren't deleted.
Based on my calcs, I should fill mine up around 340K (kms) at the current rate.
I'd be interested in seeing values from those who are over the 200K (miles) mark, or who are approaching it and are still rocking the original DPF, as that seems to be around when it should reach capacity based on the typical use I've seen.

Check MVB in VCDS
IDE00433 Particle filter: oil ash volume = .21
CNRB Mileage: 154289km-95870mi
 
#67 ·
Mileage: 241980 km
Date: 2023.07.14

Address 01: Engine (7P0 907 401 K)

20:09:38
IDE00021 Engine RPM 762 /min
IDE00025 Coolant temperature 75 °C
IDE00151 Oil fill level 46.324 mm
IDE00152 Oil warning threshold 38.732 mm
IDE00182 Camshaft adaptation intake bank 1: phase position -1.21 °
IDE00196 Engine oil temperature 76.6 °C
IDE00201 High fuel pressure: specified value 250000 hPa
IDE00304 Fuel level 42.00 l
IDE00427 Particle filter: difference pressure 10 hPa
IDE00433 Particle filter: oil ash volume 0.32 l
IDE00434 Particle filter: soot mass calculated 23.73 g
IDE00435 Particle filter: soot mass measured 15.81 g
 
#69 ·
Random update of my stats
Mileage: 185684km-115378mi said:
IDE00433 Particle filter: oil ash volume 0.26 l
IDE01922 Vehicle distance driven 185684 km
IDE03386 Long-term adaptation of reduction agent dosage 0.90
IDE06983-MAS05392 Diesel emissions re-treatment: status-Average distance between DPF regenerations 859 km
IDE07197 Average reducing agent since lest filling 1.06 l/1000 km
 
#70 · (Edited)
2009 CATA 147035 miles

236630 km Vehicle Mileage
0.40 Particle Filter Oil Ash Volume
9.0 Particle Filter Carbon Mass (calc.)
8.5 Particle Filter Carbon Mass (act.)

Not sure why it didn't log the units on these... anyone know what the ash limit is on my vehicle, or where to find it?
 
#71 ·
Interesting.....
See how yours is higher than @C-ya 's?
This leads me to believe that you have less optimal driving scenarios (towing more, offroading more, stop-and-go traffic, etc) than him....

I'm willing to bet that if both of you compared the other MVBs that track the distance\time\frequency of regens, it would validate my theory.
 
#72 · (Edited)
Interesting.....
See how yours is higher than @C-ya 's?
This leads me to believe that you have less optimal driving scenarios (towing more, offroading more, stop-and-go traffic, etc) than him....
Indeed, I have pretty non-optimal driving conditions... I do try to 'save' the Touareg for freeway driving as much as possible and drive my other cars around town.

I live in the San Francisco Bay Area so driving is mostly slow local roads, or stop and go freeways in heavy traffic. When I do get out on road trips there is a long high speed drive, coupled usually with days on end of very slow offroad trail driving. I also tow a boat frequently.

Any idea if I am close to the limit that will trigger a DPF replacement code? I only have a few months of dieselgate warranty left, so if so, it might be worth using this car more to see if it hits that while still in warranty.

Also, injector deviations at warm idle (checked because I'm guessing a bad injector could increase ash production):

0.38​
-0.38​
0.14​
0.33​
-0.28​
-0.33​
 
#73 ·
Any idea if I am close to the limit that will trigger a DPF replacement code? I only have a few months of dieselgate warranty left, so if so, it might be worth using this car more to see if it hits that while still in warranty.
Documented limit spec is .46 L, but it's not a true "measurement"... more like a calculation based on assumptions.....
So you're getting close, but still have wiggle room.
I'd drive it as much as possible so that if something does "fail", it does so while you're still covered.....

You can do the math of your numbers to get a theoretical idea of how much more "mileage" worth of regens you have before your DPF is full.... but there's lots of factors... one could neglect a failed sensor and clog up the system or significantly accelerate its ash loading, etc.
 
#75 ·
You can do the math of your numbers to get a theoretical idea of how much more "mileage" worth of regens you have before your DPF is full....
In that case, the math says I need to go another ~22k miles to fill it. Since I typically drive under ~10k/year, it's impossible for me to hit that in the next few months.
 
#79 ·
2014 CNRB ~124k miles

IDE00432 Particle filter: time since last regeneration 46271 s
IDE00433 Particle filter: oil ash volume 0.31 l
IDE00434 Particle filter: soot mass calculated 19.65 g
IDE00435 Particle filter: soot mass measured 21.64 g
IDE00436 Particle filter: kilometers since last regeneration 846468 m
IDE03142 Remaining vehicle distance until reducing agent deficiency 1057.65 km
IDE07197 Average reducing agent since lest filling 1.98 l/1000 km
 
#80 ·
Here are my values from when I was at that mileage... if you want a comparison point.
Looks like you're going through DEF like it's going out of style compared to me.
Code:
Mileage: 199873km-124195mi  

  IDE00432   Particle filter: time since last regeneration 538 s
  IDE00433   Particle filter: oil ash volume 0.28 l
  IDE00434   Particle filter: soot mass calculated 8.21 g
  IDE00435   Particle filter: soot mass measured 5.04 g
  IDE00436   Particle filter: kilometers since last regeneration 8428 m
  IDE07197   Average reducing agent since lest filling 1.17 l/1000 km
 
#84 ·
Yearly update
Code:
Tuesday,31,December,2024,12:59:21:38535

12:59:13
  IDE00433   Particle filter: oil ash volume 0.30 l
  IDE00434   Particle filter: soot mass calculated 21.87 g
  IDE00435   Particle filter: soot mass measured 16.20 g
  IDE00436   Particle filter: kilometers since last regeneration 529511 m
  IDE01922   Vehicle distance driven 218349 km
  IDE07197   Average reducing agent since lest filling 1.10 l/1000 km
 
#85 ·
Hey Soot,
I'm wondering how to go about checking my ash values on the CKDA V8 engine seeing it has two Engine control modules and twin DPF's fitted, can you throw me any ideas?

-------------------------------------------------------------------------------
Address 01: Engine (J623-CKDA) Labels:. 057-907-409-V2.clb
Part No SW: 7P1 907 409 A HW: 7P0 907 409
Component: 4.2TDI EDC17 H21 0001
Revision: 52H21--- CVN: 45D6DCE4
Coding: 292A4012437E00020000
Shop #: WSC 08852 002 1048576
ASAM Dataset: EV_ECM42TDI1117P1907409A 001001
ROD: EV_ECM42TDI111_VW52.rod
VCID: 3663DAA18960AB2629-8062
VINID: 9E65EAAAA1E0A97500084209084F2EEED7

-------------------------------------------------------------------------------
Address 11: Engine II (J624) Labels: None
Part No SW: 7P1 907 409 A HW: 7P0 907 409
Component: 4.2TDI EDC17 H21 0001
Revision: 52H21--- CVN: E85A53E8
Coding: 292A4012437E00020000
Shop #: WSC 08852 002 1048576
ASAM Dataset: EV_ECM42TDI2117P1907409A 001001
ROD: EV_ECM42TDI211_VW52.rod
VCID: 3663DAA18960AB2629-8062

No fault code found.

-------------------------------------------------------------------------------
Thanks for all the work you put into this tread to date!

Tony_B
 
#87 ·
Easy, will do thanks.
I'll run a scan in next couple of days and advise.

Tony_B
 
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#88 · (Edited)
Hi Soot,
Did scan today and this is what I show, seems pretty good?
There is a big difference between the soot mass readings, I wonder why that would be?

Code:
Address 01: Engine (J623-CKDA)       Labels:. 057-907-409-V2.clb
   Part No SW: 7P1 907 409 A    HW: 7P0 907 409
   Component: 4.2TDI EDC17  X21 0001 
   Revision: 52X21---    CVN: 45D6DCE4
   Coding: 292A4012437E00020000
   Shop #: WSC 92521 052 00000
   ASAM Dataset: EV_ECM42TDI1117P1907409A 001001
   ROD: EV_ECM42TDI111_VW52.rod
   VCID: 3663DAA18960AB2621-8062
   VINID: 9E65EAAAA1E0A97500084209084F2EEED7

Code:
Address 01: Engine  (7P1 907 409 A)

12:20:39
  IDE00151   Oil fill level 68.056 mm
  IDE00432   Particle filter: time since last regeneration 6338 s
  IDE00433   Particle filter: oil ash volume 0.21 l
  IDE00434   Particle filter: soot mass calculated 15.41 g
  IDE00435   Particle filter: soot mass measured 2.19 g
  IDE00436   Particle filter: kilometers since last regeneration 79316 m
  IDE01834   Battery voltage 12660 mV
  IDE01922   Vehicle distance driven 123263 km

Tony_B
PS, check your inbox.
 
#91 ·
Just Been sent....
 
#94 ·
Sorry about the pic.
 

Attachments

#95 · (Edited)
Thanks to saVAGeSoot, we have been able to positively establish that both banks of PDF's are indeed being monitored in the CKDA V8 engine as evidenced by readings shown on these AMB below.

Code:
Saturday,04,January,2025,15:36:54:10198
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 11 x64
VCDS Version: 24.7.1.0
Data version: 20240919 DS356.3
www.Ross-Tech.com


VIN: WVGZZZ7PZGD024892   License Plate:
Mileage:    Repair Order: DPF load levels



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


                Address 01: Engine  (7P1 907 409 A)

15:35:48
  IDE00433   Particle filter: oil ash volume 0.21 l
  IDE00434   Particle filter: soot mass calculated 15.41 g
  IDE00435   Particle filter: soot mass measured 2.19 g
  IDE04374   Particle filter bank 2: soot mass measured 0.95 g
  IDE04375   Particle filter bank 2: soot mass calculated 15.93 g
  IDE04376   Particle filter bank 2: oil ash volume 0.21 l


Tony_B
 
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