My 2014 vrs tdi is constantly regenerating but no fault codes with vagcom I have also run the vag dpf app and shows the dpf lit red when upto temp I'm completely stumped what it could be my soot is slightly high at 76% I have took it for a spirited run for over 30min but still illuminated red but soot is down to around 4g when I pull up. The fan then keeps running and when I get back in a hr or so later soot is above 20g any suggestions would be appreciated???

Any advise on sensors to check 1st as with no fault codes I'm bit stumped

The fact that the "Oil Ash Residue" figure is relatively unchanged and high would suggest that your car is burning oil which in turn points to something else that I can't say for certain over the internet.

 

How frequently do you need to top up your oil? If quite a lot, you would need to sort the oil burning problem and either clean out the DPF or replace it unfortunately. 

 

There are other threads related to this type of problem if you try a search on the site or through Google that might be able to give you some other things to check. Hope you get it sorted.

4 minutes ago, HeavyMetalRich said:

The fact that the "Oil Ash Residue" figure is relatively unchanged and high would suggest that your car is burning oil which in turn points to something else that I can't say for certain over the internet.

 

How frequently do you need to top up your oil? If quite a lot, you would need to sort the oil burning problem and either clean out the DPF or replace it unfortunately. 

 

There are other threads related to this type of problem if you try a search on the site or through Google that might be able to give you some other things to check. Hope you get it sorted.

Iv searched the net but not really finding anything the ash level has been same for quite a while I suspect previous owner didn't use the correct oil or something but uses about 1l every 1k which I have been told is normal for the cr engine iv also checked turbo by feeling the shaft through the intake side and can't feel any movement so bit stumped at min 

37 minutes ago, Derbylad82 said:

Iv searched the net but not really finding anything the ash level has been same for quite a while I suspect previous owner didn't use the correct oil or something but uses about 1l every 1k which I have been told is normal for the cr engine iv also checked turbo by feeling the shaft through the intake side and can't feel any movement so bit stumped at min 

Is that correct, 1 litre for every one thousand miles?

Seems common I have been told for the tdi but depends how they was drove from new 

1 hour ago, Derbylad82 said:

Seems common I have been told for the tdi but depends how they was drove from new 

No need for oil changes then, you're continually putting fresh oil in it.

 

My tdi has has hardly used a drop of oil in 5000 miles.

 

 

1 minute ago, ords said:

No need for oil changes then, you're continually putting fresh oil in it.

 

My tdi has has hardly used a drop of oil in 5000 miles.

 

 

Heard its how they are treated from new guess mine had hard life and possibly wrong oil used 🫣

@Derbylad82  Someone is pulling your plonker.

 

Even VW Group / Skoda do not pretend that is acceptable engine oil use.

For many years they have said May use as much as 0.5 litres in 1,000 km (621 miles) and that is not acceptable and never has been. 

You show as being in the UK and not in some extreme climate, towing heavy loads over Alpine Mountain passes. 

Not that 0.5 litres in 1,000 km is acceptable then either.

 

 

Edited 29 May, 20242 yr by Ootohere

I'm going off the forums, garages etc it's said if not bedded in properly from new get worn rings and seals so not abnormal usage just what iv been told iv had compression tests used vag com etc but still not the wiser so bugging me now 

Someone mentioned about resetting the dpf with vagcom too see if it resolves any underlying issues could anyone advise on this please??

 

No fault codes showing but I got the car I replaced the pre sensor but didn't reset anything at the time