DPF removal

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Has anyone removed a DPF? Anything I need to keep in mi ? Mine is completely blocked and its £500 to remove and flush.
 


Defect
Category
(a) Emission control equipment fitted by the manufacturer missing, obviously modified or obviously defectiveMajor
(b) An induction or exhaust leak that could affect emissions levelsMajor
(c) Evidence that the diesel particulate filter has been tampered withMajor

That's from the MOT test manual
 
It is an mot failure to do anything but replace it with a working unit, you'll need the car remapped to delete it which is easy enough for most cars nowadays.

You'll need to either force a hole through it from end to end the diameter of the exhaust pipework or cut it open and remove the contents and then weld it closed but you'd need to make sure there's no sign of that having been done or it will fail an mot.
 
spoke to a minicab driver in 2024 dropping us off to airport, his Ford van was a diesel, he had egr blanked, dpf gutted n removed and deleted and still passes MOTS.
 
spoke to a minicab driver in 2024 dropping us off to airport, his Ford van was a diesel, he had egr blanked, dpf gutted n removed and deleted and still passes MOTS.
obviously illegal but it happens. Not saying you won’t get a mot with DPF removed, but you won’t get a legal one with it removed.
 
Don't know how true it is but the mot guy I use tells me that he can't fail what he can't see.
So if the DPF is covered by a plastic undertray, it cannot be seen and would pass mot. (Given that the vehicle passes emission test of course)
Mot people, can you confirm?
 
Don't know how true it is but the mot guy I use tells me that he can't fail what he can't see.
So if the DPF is covered by a plastic undertray, it cannot be seen and would pass mot. (Given that the vehicle passes emission test of course)
Mot people, can you confirm?
True. You’re not allowed to remove any panels or anything to peek behind. Most testers normally include an advisory that says something like "unable to check xxxxx because plastic undertray fitted" to cover their arse.
 
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Don't know how true it is but the mot guy I use tells me that he can't fail what he can't see.
So if the DPF is covered by a plastic undertray, it cannot be seen and would pass mot. (Given that the vehicle passes emission test of course)
Mot people, can you confirm?
True enough.

But you are allowed to shine a torch and use mirrors .

You often get a good feeling on which vehicles to have as good a look as you can. Emission figures also give a clue.

But if you can't prove it, you can't fail it. You can however let the DVSA know of your suspicions
 
spoke to a minicab driver in 2024 dropping us off to airport, his Ford van was a diesel, he had egr blanked, dpf gutted n removed and deleted and still passes MOTS.

Next time you see him, give him a big pat on the back and tell him that it's largely thanks to folk like him, that new cars are so insanely complicated. The government is barking up the wrong tree. It sees what the emissions from the national fleet SHOULD be, but the readings from the air quality sensors dotted around our towns and cities, say it's much worse. Why? Well, it's largely down to people like him. Plus of course, all the "lads" that have got another 500 horse by getting their car "remapped", and general poor maintenance. It's part of the reason that whenever the government consults on extending the MOT period to once every two years, the majority of consultation responses tell them to keep it as an annual thing.

Sadly, the MOT emissions test is nowhere near "fit for purpose". In fact, from a particulates point of view, it's a joke. Other countries have got to grips with it, we're just "thinking about it"...


Of course, the necessary test kit isn't cheap, and if we do implement it, MOT test fees are likely to rise to cover that. Next time you see your minicab driver, you'll be able to thank him for that, too....:mad:
 
the readings from the air quality sensors dotted around our towns and cities, say it's much worse. Why? Well, it's largely down to people like him. Plus of course, all the "lads" that have got another 500 horse by getting their car "remapped", and general poor maintenance.
No, they keep digging up roads unnecessarily and fitting temporary lights to create heavy traffic so their pollution readings fit the narrative.
Come to london and drive around for an hour.
You'll be shocked and your eyes will see the light (well, many temporary lights...)
 
No, they keep digging up roads unnecessarily and fitting temporary lights to create heavy traffic so their pollution readings fit the narrative.
Even you don't believe that
Come to london and drive around for an hour.
You'll be shocked and your eyes will see the light (well, many temporary lights...)
Too much traffic.

Now what is the best way to try and reduce it ?
 
No, they keep digging up roads unnecessarily and fitting temporary lights to create heavy traffic so their pollution readings fit the narrative.
Come to london and drive around for an hour.
You'll be shocked and your eyes will see the light (well, many temporary lights...)

That's not going to make any real difference though. Not on a car with a DPF working properly.
 
Too much traffic.

Now what is the best way to try and reduce it ?
Remove all unnecessary restrictions.
30mph on a dual carriageway creates traffic.
Unsincronised lights on free flowing roads create traffic.
Roads dug up for 10 weeks on a 6 months interval create traffic.
Traffic lights on roundabouts?!?!?! Who the hell thought that?!?!
Major roads reduced to one lane to make space to deserted cycle lanes create traffic.

We need to start applying common sense to sort out traffic, not tax motorists more and more.

All of the above are examples that I see every day and can give you exact locations if you want.
 
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