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DPF filter problems again - TDI 150 L&K

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i understand perfectly but if a regen is occurring too often or never how do you know?.i cant recollect my yeti doing any regens in the last couple of years ime not saying it did or didn't i just wasn't aware, you look at the number of posts on briskoda about regens over the years they wouldn't have occurred and people would not  need be getting these apps (apart from the dieselgate problem) its just my thoughts that a section in the handbooks and some sort of indication would help SOME people,,,,,,,,,,sorry for having an opinion that's different to some.

Edited by Sad555

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  • I happily wallow in my preferred state of ignorance rather than one of too much information.

  • Because you don't need to know and a light would probably confuse most users   If the system is working properly, there is no need to change driving style, take extra drives or continue dri

  • Llanigraham
    Llanigraham

    I'm getting the impression this "app" is actually giving too much (un-neccessary) information and is confusing people.

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People don't necessarily "need to be getting these apps" as you put it. People like to know, but that's not because there's a need, it's because they're curious.

“just dont stop it in the middle of a regen, i have been known to keep driving if the revs are uplifted when i get home.”

Edited yesterday at 17:35 by idleness ...................................................................Well the dpf  applag app certainly helps the curious.

Edited by Sad555

I suspect this thread demonstrates why there is no light to signal a DPF regeneration.

 

Only one member feels a light would be beneficial, the rest don't.

I suppose I will have to get the VAG DPF   app then to satisfy my curiosity like all the others ?

Edited by Sad555

1 hour ago, silver1011 said:

I suspect this thread demonstrates why there is no light to signal a DPF regeneration.

 

Only one member feels a light would be beneficial, the rest don't.

Couldn’t be assed to look for any more but these were on the first page about regens,so I’m not alone

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@Sad555 - Why do you want a regen light?

 

A regen doesn't need any input or change of driving from the driver so I don't understand why it would be helpful...

It may NOT be helpful to some but to others it is for the reasons myself and OTHERS have listed,it is just some members opinions on a topic.

5 minutes ago, Sad555 said:

It may NOT be helpful to some but to others it is for the reasons myself and OTHERS have listed,it is just some members opinions on a topic.

 

Idleness suggested they never interrupt a regen in progress and continues driving to complete it.

Ajay24 is concerned since having a warning light and took an unnecessary extra drive in an attempt to force regen.

Xtrailman gives no reason in the quoted post.

Smeghead also seems afraid to interrupt a regen, leaving the car to idle while it completes.

Skovirg looks to want to schedule regens but I'm unsure why.

 

As has been stated previously, it's perfectly fine to interrupt a regen and there is no need for extra drives or any attempt to schedule a regen unless the car requests attention.

 

You haven't actually mentioned a reason in this thread, just that you want to see when it's doing a regen? Unlike your 4x4 issue, if there is a fault and it's unable to regen, you will get a warning light.

^^^^^^^^^^^As I said earlier” if a regen is occurring too often or never how do you know” it’s just my and others opinions were all different don’t get hung up over it.and from your amount of retrofits it appears you have ,its your own personal choices that many others don’t have need or want but unlike you I respect other people’s choices and I’m sure-the footwell lights and teardrop wipe are very handy for u as a personal choice but for thousands of others don’t find the need but if these toys give you pleasure ,why not!

Edited by Sad555

I'm not sure what counts as too often but you'd probably notice a drop in fuel economy. You'd definitely know if it never did a regen, the DPF would get clogged and a warning light would appear ;)

 

I wanted to better understand why you wanted a regen light and how you'd use the information it presented.

 

From what you've said, it's above and beyond the needs of most drivers. Using diagnostic equipment to monitor it probably a better choice as it'll also allow you to look for a root cause assuming there is cause for concern.

       “I wanted to better understand why you wanted a regen light and how you'd use the information it presented.”            IF  for example a regen was occurring for an hour or more a day on a 90 min journey or never at all in a thousand miles it might lead me to suspect an issue.............now you tell me the reason so I can have a “better understanding” for all you toys?.......on second thoughts don’t bother it would be too boring.

7 minutes ago, Sad555 said:

now you tell me the reason so I can have a “better understanding” for all you toys?.......on second thoughts don’t bother it would be too boring.

 

Excuse me? I apologise if I've offended you in some way as it certainly wasn't my intent.

 

9 minutes ago, Sad555 said:

IF  for example a regen was occurring for an hour or more a day on a 90 min journey or never at all in a thousand miles it might lead me to suspect an issue.

 

A simple light probably isn't enough to make it obvious there is an issue in those circumstances.

 

Imagine there is a light that periodically comes on for 10-20 minutes every few weeks with no obvious link to your current driving, it'll some become expected and just ignored as the information isn't useful to most drivers. At this point, I doubt most would notice it staying on for longer than usual or not coming on for 1000 miles.

 

As an example, when I checked a couple of regens on my CR140, they were 600+ miles apart. That's every 3 weeks of driving given the average UK mileage for diesel cars. Would you expect the average motorist to remember if they last saw a regen light 1 week, 3 weeks or 5 weeks ago and if it stayed on for 20 or 40 minutes?

i think ive got a solution that will solve the issue,im going to introduce a circuit so that when the regen process is active the lights in the FOOTWELL will flash,if it continues for more than 15 mins the FATIGUE DETECTION will cut in and increase the temp in the heated seats and activate the fuel volume,if there no active regen after 700 miles the W8 interior lights will activate and flash and the LARGE MPH will l turn on and off and also activate the TWO - STAGE ESP DEFEAT in conjunction with  NEEDLE SWEEP and increase the REFILL VOLUME.i hope this will allow me to understand the process. only for me personally in my own car i realise we all have different needs and don't want to offend anybody who have these options because our differences make us what we all are .different.

Edited by Sad555

1 hour ago, langers2k said:

As an example, when I checked a couple of regens on my CR140, they were 600+ miles apart

that's odd did you mean 600km I have been led to believe that there is a software limit on distance between regens of 600km/375 miles over this it automatically regens no matter how full the DPF is.

I have never managed more than 600k before a regen and that was with the DPF indicating 70% soot after thrashing it to and from Devon.

14 minutes ago, idleness said:

that's odd did you mean 600km I have been led to believe that there is a software limit on distance between regens of 600km/375 miles over this it automatically regens no matter how full the DPF is.

I have never managed more than 600k before a regen and that was with the DPF indicating 70% soot after thrashing it to and from Devon.

 

It might have been 600 km, it's been ages since I checked the DPF operation in any detail :)

 

If I do any logging in the future and I remember, I'll check!

Given how complicated modern cars are becoming, having a light on the dash to signal each time the car is doing something the driver need not worry about, then I think they'd run out of space for all the lights :D

On 28/05/2018 at 17:04, Ajay24 said:

Advice please ASAP

Here I go again. Can anybody interpret these 2 VAG-DPF  screen grabs taken this morning. The first pic ahows readings before a 55 mile non stop dual carriageway run at 2000 rpm in 4th & 5th and the second when I got home. Costantly checking the DPF reradings as they went up and up and no regen happened.Do not want the car to go into unwarned limp mode again as it has done 4 times before because I have a 6am start on Friday June 1st to get to Manchester airport for a 2 week holiday in USA. (70 mile motorway trip)

 

 

Help wanted as to whether I should try another long run to try and get a regen to happen. The photo shows 21.54 soot mass and 90 % full filter.

 

 

Ive been using this app for a month or so and your screen captures look perfectly normal. You will only get a regeneration when the line bar reaches 100% and the soot mass (calculated) reaches about 24g. You can’t force a regeneration until these readings are reached and then it will automatically be triggered by the car Ecu. I found that a small amount of passive regen could be made to take place if driven at ridiculous speeds and/or very high revs but it was an insignificant event which ceased as soon as normal driving resumed ie no noticeable soot consumed. I cannot think why your dpf situation as seen on your screen should be causing limp mode unless you are interrupting several active regens in succession I suggest other factors are at fault.

 

My journeys are now short - hence finding app particularly useful (informative and reassuring) - and a regen takes place every 200 miles. However I’m just back from a trip to Scotland with long fast journeys (650 miles in total) and because these enone stop journeys produce less soot the regen frequency was reduced to about once every 450 miles. All this I consider as normal as are your screen readings which are very similar to mine - and I have the same engine

Edited by Yetiflute

  • Author

Thanks for all your replies.

I have had at least 4 Limp mode events over the last few months and have only seen warning lights after limp mode comes into effect so that is my main reason for now relying on the VAG DPF App.

My dealer has carried out the regens at their workshops and keeps telling me that I do not do enough long motorway runs(which is correct) and refuses to carry out any further regens free of charge as Skoda policy limits it to 2.

I have had posts from others suggesting there may be a fault but the dealer tells me no fault codes exist. I have also confirmed this using my Torque Lite app. Skoda customer Care were about as useful as a chocolate fireguard over this.

Anyway. the Yeti will be 3 years old in September (and out of warranty) and I can live with it until I reluctantly swap it for a PETROL suv .

Over the years I have owned lots of diesel Citroens, Peugots,VW golf TDi's and Audi's and my Yeti is the only one that I have lost any trust that it won't fail on me again.

.

PS any suggestions for a PETROL SUV capable of towing my 16 foot caravan ?

 

Limp mode will throw up a fault code. The fact that the dealer tells you they can't find it is concerning.

 most diesel suvs are just perfect for towing but i suspect very few petrol are up to the job .i had a 2.0 rav4 that had no where near the torque you require to toe compared to my yeti so my guess would be a mazda cx5 with a 2.2 sky active engine but I'm sure that there are quite a few towers on here who have a better knowledge and experience than me

3 hours ago, Ajay24 said:

 

PS any suggestions for a PETROL SUV capable of towing my 16 foot caravan ?

 

 

There is the petrol 190PS 2.0 TSI in the Skoda Kodiaq...

 

Saying that, I'm sure if the Yeti tows well then you might even look at the petrol 1.5 TSI in the Skoda Karoq?

AJAY24 quote.               “the Yeti will be 3 years old in September (and out of warranty) and I can live with it until I reluctantly swap it for a PETROL suv .”        Start forming a q now all you karrot/kodiaq owners.

 

 

 

Edited by Sad555

  • Author

I Have the Karoq in ,mind but must do the homework on matching my caravan to a karoq. Spoke to someone who has just bought a 1.4 TSI Kodiac and they are amazed at the performance although they haven't got a caravan.

 

3 hours ago, Sad555 said:

AJAY24 quote.               “the Yeti will be 3 years old in September (and out of warranty) and I can live with it until I reluctantly swap it for a PETROL suv .”        Start forming a q now all you karrot/kodiaq owners.

 

 

 

Swapped 4m ago to unleaded and don't regret 

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