DPF levels and regeneration - Page 6 - Club Touareg Forums
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post #51 of 93 Old 01-30-2019
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Originally Posted by Singh View Post
If 500-600kms of freeway driving at over 100kmph wont help to do a regen when the soot levels were so high & building (assuming) and instead put the car in limp mode then there's no choice but take it to dealership.
Here's some info for ya.....
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post #52 of 93 Old 01-30-2019 Thread Starter
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Originally Posted by TurboABA View Post
Quote:
Originally Posted by Singh View Post
If 500-600kms of freeway driving at over 100kmph wont help to do a regen when the soot levels were so high & building (assuming) and instead put the car in limp mode then there's no choice but take it to dealership.
Here's some info for ya.....
Thanks TurboABA
Does active regen leave the dpf worse off in terms of longevity?

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post #53 of 93 Old 01-30-2019
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Originally Posted by Singh View Post
Thanks TurboABA
Does active regen leave the dpf worse off in terms of longevity?
Theoretically, I believe so. I would also suspect that "service regen" is even more damaging to it as it creates even hotter burning conditions in order to incinerate the "restrictions" and it is performed with a stationary vehicle. I would imagine that during both a passive and active regen, with the vehicle being in use, some of the resulting heat is much more effectively dissipated from the system and is thus less damaging to all components involved.
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post #54 of 93 Old 01-30-2019 Thread Starter
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That diy video you posted, that be considered an active regen then?
That is pretty much mimicking what a dealer would do?

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post #55 of 93 Old 01-30-2019
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Quote:
Originally Posted by Singh View Post
That diy video you posted, that be considered an active regen then?
That is pretty much mimicking what a dealer would do?
That's a "service regen"....... an active regen is what the system does when operating normally during your drive when all prerequisites have been met. From my perspective, the video procedure should only be done if a failure has resulted in the cycle of regens being interrupted and you are presented with the MIL about he DPF and\or "Engine malfunction - workshop" warning.
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post #56 of 93 Old 01-30-2019 Thread Starter
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What I meant is that a service regen ie the video is similar to active regen when the ecu forces a regen by heating it all upto 650degrees.
Active regen will be triggered by ecu when passive regen hasn’t been achieved due to city driving conditions ie not enough heat and exhaust pressure like on the highway.

So could we say the difference between active and service regen is that the latter is triggered manually? Knowing that there is a soot limit which once reached will put car in limp mode and disable active regen.

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post #57 of 93 Old 01-31-2019
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Um .. am i seeing a new breed of treg owner (with more exposure and expertise) come into the forum recently. I do apologize i have been away for many months given the loss of the last pony and only now being able gain momentum again.


Well done on this thread Singh really good for the long term-ers amongst us

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post #58 of 93 Old 01-31-2019 Thread Starter
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Originally Posted by Odessa View Post
Um .. am i seeing a new breed of treg owner (with more exposure and expertise) come into the forum recently. I do apologize i have been away for many months given the loss of the last pony and only now being able gain momentum again.


Well done on this thread Singh really good for the long term-ers amongst us
Hi Odessa,
we're all learning, or atleast I am

Sorry about the Pony, what happened?

V8 TDI R line MY15, White, Panoramic roof, VW towbar. Dynamic Road Sign Recognition, Lane Assist, Traffic Reports, Google Earth enabled. All Led.

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Had, Sold & Missed...V6 petrol on Pirelli AT's with Sat Nav, Rear Diff lock, Bluetooth & Phatbox.
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post #59 of 93 Old 01-31-2019
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Quote:
Originally Posted by Singh View Post
So could we say the difference between active and service regen is that the latter is triggered manually?
In a very simple way, correct.
But keep in mind the following:
Passive regens happen at 500deg C
Active regens happen at 650deg C while the vehicle is moving, airflow all around it and under it, through radiators, etc......
Service regens happen at 650deg C wihtout any additional airflow.... just sitting still "trying to start itself on fire"

I know which scenario I'd prefer for my own vehicle.

In my Jetta, since I have the ability to take EGT readings front the sensor right after the turbo, I see temps of 800deg C during an active regen...... for periods of up to 15min or so.
This tells me that my turbo is probably seeing close to 900deg C during the same time...... not ideal for turbo life at all.
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post #60 of 93 Old 02-01-2019
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Wow thanks ABBA .... TuurboBABDABDA ... hmm fat fingers!! .... you seem to have a massive wealth of knowledge you are keen to pool into the community I for one am very appreciative of the extra knowledge thankyou ... is ther somewhere this comes from other that personal exposure ?

MY08 - 2009 - TDI V6 (CASA) - APR Tune *** Zenec ZE-NC2051D - Bluetooth - USB - DVD & MZone *** Air Suspension - AFS Xenon - OEM Rear Full Spare - OEM Tow Pack - TPMS. *** Alex G : Light bar, Winch bar - PLUS 8T Winch, Rock-sliders, front & centre under body armour protection, Rear Diff (Flying Nun) and Rear A-Arm armour Protection. *** Car DNA rear lights - Ulter Sport Exhaust Tips - M&H Pro Vent 200 - Team Heko Deflectors.

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