I know this subject gets done to death but after having to replace the water pump last week I'd lost a little confidence in my car and then started to doubt other things like what condition the DPF is in. 

 

Got myself a dongle and paid for the vag dpf app to see what's what. Only read it whilst stationary but from what I can see it looks reasonably healthy? 

36% after 83k miles looks pretty much normal compared to mine and others I've seen

Also got this one once I'd had a little drive 

That's about right.  If I recall, I'm on 30g oil ash residue at 81k miles driven.

(same engine)

 

As long as DPF isn't blocked, it is regen correctly. The Oil ash value is most important value, it is essentially the life of DPF before it need to be replaced.

DPF lasted 280k km in my colleague's 2.0 TDI O3, mine is about 90% full at 245k km. We do a lot of highway driving and only a few % city driving.

The new DPF is very very expensive (about 2400 EUR with fitting) so our company decided to try and get it cleaned by a specialist company. In a few weeks I will check my colleague's car with VCDS to see how successful the cleaning was.

Mine after 94tkm

Seems like as the filter fills up, more oil ash residue is deposited?? It isn't linear?

 

So need to get rid of the car before 140-150k miles, or 220-240k km.

 

I have 60k left to 140k miles. 5-6 years is enough to wait for Tesla Model 3 to come into second hand market.  1 more DSG oil change, one more timing belt change

 

 

Data:

(sorted by g/1000miles)

	1000 km	1000 miles	oil ash g	g/1000mi
Russ77		84	29	0.3461
wyx087		81	30	0.3704
nkadovic	94	59	22	0.3813
aki78	280	175	80	0.4571
aki78	245	153	72	0.4702

1 hour ago, wyx087 said:

Seems like as the filter fills up, more oil ash residue is deposited?? It isn't linear?

 

So need to get rid of the car before 140-150k miles, or 220-240k km.

 

I have 60k left to 140k miles. 5-6 years is enough to wait for Tesla Model 3 to come into second hand market.  1 more DSG oil change, one more timing belt change

 

 

Data:

(sorted by g/1000miles)

	1000 km	1000 miles	oil ash g	g/1000mi
Russ77		84	29	0.3461
wyx087		81	30	0.3704
nkadovic	94	59	22	0.3813
aki78	280	175	80	0.4571
aki78	245	153	72	0.4702

 Liking your work there!

 

Would be good to get another set of readings after say 1000/1000 miles and see how they compare, i.e. if the oil ash accumulation linear.

Another thing that may be relevant about my reading....  My car had 76K miles on it when I bought it in February so it was only just over 3 years old and had done around 25K miles a year.

 

It's an ex-lease car and the old satnav entries were all around the Midlands, M1 & M4 so I think it's fair to say it'd spent most of it's life prior to me on a motorway, could be a reason why the g/1000mile is a little lower I guess.

 

In all honesty, a 2.0D is a little overkill for my actual needs, my daily commute is 17 miles each way, half of that is a 50-70mph "cruise" (traffic permitting of course) but I like the performance & economy it offers 

For anyone who's interested or maybe searches for posts about DPF regens.......

 

I went out yesterday, had to stop at a couple of shops and when I got to the first one (around 10 miles from home after I'd gone the long way to try and get my 2yo to have a nap) I saw the revs were hanging at around 1K so had a pretty good idea that it was trying to force a regen.  Plugged in the OBD adapter, fired up the app and sure enough it was trying to regen so I keyed off, did my shopping in the first place, drove to the next place (a mile or so away) then went the long way home.......

 

Could see the DPF heating up and tried to maintain a steady speed at around 2K RPM which seems to have a better effect than just blasting away down the road.  Watched the % to regen drop away.  I think in total the regen ran for 20-30 mins and the figure ended up at around 24% but by then I was really running out of time and places to drive that would enable to travel at 40+mph at 2k RPM.

 

I'm trying to keep note of when they happen and it seems to be around the 300 mile mark.

My octy has almost done 109k so I’m going to check on the ash %.

 

It regens successfully every 2nd day, I do about 150 miles a day and it’s mixed driving. 

 

It recently went went through a spell where it regened as soon as I selected Sport mode.