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[Marks DTM Calib]

The fault lies with the manufacturers of DPFs; they need to make a device that is fit for purpose and will not clog up so readily - or at all!
Once again, the cost/blame has been passed on to the motorist..... 

Ron.

It is fit for purpose (as I can confirm having stuck 194k miles on one with no issues)

The issue is those who insist on having a modern diesel for plodding about in.....there not up to that and cant be used for that. 

[Marks DTM Calib]

When buying a car, how do you know if the DPF has been gutted or not? 

Not something Lord Opti needs to worry about of course, but for us mere mortals who like to get 40+ mpg. 

It will smoke when booted (not massive amounts but will be visible), with a DPF they only smoke on regen

[Viral_Jim]

When buying a car, how do you know if the DPF has been gutted or not? 

Not something Lord Opti needs to worry about of course, but for us mere mortals who like to get 40+ mpg. 

Until next year it could be tricky, other than the snide Mr Fuse points out. However it's not really much different to a knackered CAT in a petrol car. Wouldn't know about that until mr MOT man hands you a fail slip.

Potential recourse to the dealer I guess if purchased within 6months of the problem being identified. 

[aaronjb]

When buying a car, how do you know if the DPF has been gutted or not? 

You don't. You get to play Russian roulette with your bum virginity

[STEMO]

When buying a car, how do you know if the DPF has been gutted or not? 

You don't. You get to play Russian roulette with your bum virginity

There aren’t many bum virgins on here 

[Kevin Wood]

When buying a car, how do you know if the DPF has been gutted or not? 

You don't. You get to play Russian roulette with your bum virginity

There aren’t many bum virgins on here 

Speak for yourself.

[Field Marshal Dr. Opti]

When buying a car, how do you know if the DPF has been gutted or not? 

You don't. You get to play Russian roulette with your bum virginity

There aren’t many bum virgins on here 

The male bum is designed and should be for 'exit only'

The female rump however ..........

[tunnie]

When buying a car, how do you know if the DPF has been gutted or not? 

Not something Lord Opti needs to worry about of course, but for us mere mortals who like to get 40+ mpg. 

I guess a visual inspection, see if the it's been buggered about with underneath. Can't exactly do that when viewing cars though!

[tunnie]

That said with VAG you could do a plug in and insect the DPF's condition via software... as sure you can on others. But do need the specialist software to do it

[Sir Tigger KC]

I doubt many dealers would be happy if you turned up with your trolley jack, nor would they let you plug in your gizmo. 

[Marks DTM Calib]

That said with VAG you could do a plug in and insect the DPF's condition via software... as sure you can on others. But do need the specialist software to do it

Trouble is, most of the software mods frig that specific number to force the ECU to not regen 

[tunnie]

That said with VAG you could do a plug in and insect the DPF's condition via software... as sure you can on others. But do need the specialist software to do it

Trouble is, most of the software mods frig that specific number to force the ECU to not regen 

Great, so can't confirm that either. So it gives false readings for back pressure and soot? 

So i guess the only other way to look would be soot around the tail pipe, as DPF functioning should mean a diesel has a very clean tail pipe.

[Marks DTM Calib]

That said with VAG you could do a plug in and insect the DPF's condition via software... as sure you can on others. But do need the specialist software to do it

Trouble is, most of the software mods frig that specific number to force the ECU to not regen 

Great, so can't confirm that either. So it gives false readings for back pressure and soot? 

So i guess the only other way to look would be soot around the tail pipe, as DPF functioning should mean a diesel has a very clean tail pipe.

Boot it hard and look in the rear view mirror.

Saturation is calculated from back pressure and its the saturation that triggers a regen

[TheBoy]

but for us mere mortals who like to get 40+ mpg. 

What on earth achieves that

[Sir Tigger KC]

but for us mere mortals who like to get 40+ mpg. 

What on earth achieves that

I said we like to get 40+ mpg.    Whether we achieve 40+ mpg is another matter! 

That said my trip computer on the Mondeo was showing an average 48 mpg the other day when I tried.