Those of you monitoring your DPFs with apps....

[John A]

I've been using the DPF app for a while now - not on the van, but on my A6 because it gave me a negative soot measured value and I believed (from further research) that the Pressure Differential Sensor(s - in this case, as it had a pair) were potentially duff.

In the van, I have now noticed that there is NO reading for Differential Pressure.
Would that be an indication that the sensor was knackered, or do these not read them?

I've got a 2016 140 EU5 T6

 

[VWDAZ71]

Reads on my T6.1, but that’s about all I can tell you about it.
Apart from it looks like my screen needs cleaning!

 

[John A]

It maybe something in the app which is not configured correctly, but if it is the Pressure Difference sender, I'd like to know if it's the same as the three I've got in the house

Bloody typical though - no part number

 

[John A]

Oh no hang on...

 

[CJW]

I've been using the DPF app for a while now - not on the van, but on my A6 because it gave me a negative soot measured value and I believed (from further research) that the Pressure Differential Sensor(s - in this case, as it had a pair) were potentially duff.

In the van, I have now noticed that there is NO reading for Differential Pressure.
Would that be an indication that the sensor was knackered, or do these not read them?

I've got a 2016 140 EU5 T6

View attachment 272571

What is your engine code? CAAC?

 

[John A]

It is yes

I switched the engine group in the app (it had defaulted to group 5) and I have a differential pressure now, which seems to go from 20 to over 100. Yesterday a regen started at 61% -!: lasted all of about 2 minutes. In that time the pressure increased to over 100, but ordinarily I would expect to see it around 20 with a spike into the 40-50 under load.
What’s it measured in anyway? kPa?

 

[VWDAZ71]

Says hPa in the photos above.

Mine usually starts regenerating around 90-93% and definitely lasts more than 2 minutes. Probably more like 10-15 minutes.

 

[John A]

Oh yes of course it does...
So practically nothing then and if it does range from 20 to (say) 120 hPa, that's equivalent to 1 psi

I've only just started looking at this out of curiosity as I was monitoring the DPF in my (last) A6.
It would only ever read a negative value for measured soot and the pressure was all over the place so, despite no fault being recorded, the consensus was the differential sensors (for it had 2), were probably knackered. For various reasons, not related to the DPF, I sold it and have started dailying the van, so am looking at DPF stuff more only because I paid for the app....

The A6 would regen at 100% (providing it was up to temp) and stop once it got down anywhere between 30 and 22% - never to zero
The last full regen on the van, I didn't even notice, but I think it must have been interrupted below 45% as it didn't start again.

After selling the A6, I still have 2x pressure differential sensors which have the same part number, bar the beginning. The car is 03L and the van is 076 so it crossed my mind as to whether I could use one if needs be.

 

[nayfie]

May I ask which DPF this this?

I'm not using one / monitoring my DPF yet, but wish to. I see various apps on the Google Play Store of 'VAG DPF', 'VAG DPF LITE', 'DPF INFO'.

Any suggestions on which one to use? I'm also a CAAC 150 (2019).

Thanks
Nath

 

[VWDAZ71]

DPF Monitor for VAG

www.dpfmonitor.com

 

[John A]

May I ask which DPF this this?

I'm not using one / monitoring my DPF yet, but wish to. I see various apps on the Google Play Store of 'VAG DPF', 'VAG DPF LITE', 'DPF INFO'.

Any suggestions on which one to use? I'm also a CAAC 150 (2019).

Thanks
Nath

Depends if you are iOS or Android
DPF Monitor on iOS, VAG DPF on Android

 

[CJW]

It is yes

I switched the engine group in the app (it had defaulted to group 5) and I have a differential pressure now, which seems to go from 20 to over 100. Yesterday a regen started at 61% -!: lasted all of about 2 minutes. In that time the pressure increased to over 100, but ordinarily I would expect to see it around 20 with a spike into the 40-50 under load.
What’s it measured in anyway? kPa?

I looked at the app and it doesn’t say it supports CAAC. Mine is that too. Could this be the problem?

 

[John A]

Dunno - it reads and recognises mine as a CAAC. It wasn’t setup for the DDDA engine but seemed to work…