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Announcements

2 Cylinder Mode…..

Tap the bottom left hand button under the scroll wheel on right of steering wheel, then use scroll wheel to switch display to mpg.

By sussamb · 4 minutes ago4 min
Ash load in DPF

I do not know, in fact logic suggests opposite, i.e. higher tolerance to DPF pressure loss at end of regen when ash value is high as the base pressure loss due to ash would be higher. All I know is that the ash value has very little to do with actual pressure loss across the DPF / level of clogging.
Perhaps, and I am only speculating, ECU could allow higher values of DPF pressure loss at end of regen when the ash value is high, as partly clogged DPF would have higher pressure loss than an empty one. Way to confirm this would be to take a car with low ash value that has trouble finishing regens, set its ash value to close to the limit and see if the regens improve. Never tried that. But most likely nothing / not much would happen until the DPF was actually clogged.
A more sinister (but sadly likely) interpretation would be that the accumulated ash value counter as it is implemented was mainly put there into ECU to ensure profits of DPF manufacturers and exhaust workshops from replacement DPFs... who knows.
In any case, if the ash value is over the limit yet your DPF is still fine, ash value can be adjusted down.

By dieselV6 · 6 minutes ago6 min
Amazed Skoda has become so BAD..

If you've used the paddles you're in sport mode ...

By sussamb · 7 minutes ago7 min
Are you the new owner of KY69 UNB Superb SE L 2.0tsi

Hi Nakhar,

I have messaged you ( I think!!) please respond via private messaging

Regards

Steve

By Stonechip · 38 minutes ago38 min
Ash load in DPF

Is the engines ECU making more frequent dpf regens when the ash load value is closing the maximum of 80g?

Even if the dpf wasnt really that full at all? I would think that its a precaution to protect the engine and dpf.

By Jo88Mak · 39 minutes ago39 min

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2 Cylinder Mode…..

Ash load in DPF

Amazed Skoda has become so BAD..

Are you the new owner of KY69 UNB Superb SE L 2.0tsi

Ash load in DPF

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