New rules for MOT to test for diesel particulate filter

whitenemesis

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It was bound to happen.

I wonder how thorough the MoT tester will be? Simply check the filter is still physically present or check it still functions (how?)?
 

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Oh dear,,,, some diesel owner are going to have an expensive time.
 

toby1

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If it's still present and de-activated then no problem (I guess)
 

whitenemesis

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Not according to the regulations, potentially up to £1000 fine for using a car so modified.

"It is an offence under the Road vehicles (Construction and Use) Regulations
(Regulation 61a(3))1 to use a vehicle which has been modified in such a way that it
no longer complies with the air pollutant emissions standards it was designed to
meet. Removal of a DPF will almost invariably contravene these requirements,
making the vehicle illegal for road use. The potential penalties for failing to comply
with Regulation 61a are fines of up to £1,000 for a car or £2,500 for a light goods
vehicle. "


https://www.gov.uk/government/uploa...63018/diesel-particulate-filters-guidance.pdf
 

Miffy

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hard to monitor though? as long as the can is there, they do not have to check its working, as long as it passes the smoke test.
 

coventryslk

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oh dear, pre b/e cars like mine will start to attract a premium maybe?
 

toby1

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Yes, how would the tester know? Same with cats removed but housing present, Shirley?
 

whitenemesis

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Yup, pretty sure it'll go the same way as CAT 'removal' the filter opened and gutted etc.. Which makes it all a bit of a farce.

Bit more involved though as it will need mapping out as well. How long before they introduce some sort of ecu inspection? Not just for this but any mod that potentially effects emissions?
 
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Alex Crow

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The wording of the guidance notes makes no mention of tighter particulate emission values for DPF equipped cars, just the visual check to see if fitted.

However, I pulled this text from the notes...

"It is an offence under the Road vehicles (Construction and Use) Regulations
(Regulation 61a(3))1
to use a vehicle which has been modified in such a way that it
no longer complies with the air pollutant emissions standards it was designed to
meet."

So it seems clear, a car with only the internals removed, and with an engine 'remap' to allow the car to run correctly is illegal, but will not fail an MOT test as long as the particulates are lower than the (currently VERY high) pass value.
Whereas, a car with a 'link pipe' fitted, or with obvious evidence of DPF tampering will fail.

Be nice to have a contribution from one of the remappers on this...
 

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Alex the one with the hole drilled in it comes to mind ;)
 

whitenemesis

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The wording of the guidance notes makes no mention of tighter particulate emission values for DPF equipped cars, just the visual check to see if fitted.

However, I pulled this text from the notes...

"It is an offence under the Road vehicles (Construction and Use) Regulations
(Regulation 61a(3))1
to use a vehicle which has been modified in such a way that it
no longer complies with the air pollutant emissions standards it was designed to
meet."

So it seems clear, a car with only the internals removed, and with an engine 'remap' to allow the car to run correctly is illegal, but will not fail an MOT test as long as the particulates are lower than the (currently VERY high) pass value.
Whereas, a car with a 'link pipe' fitted, or with obvious evidence of DPF tampering will fail.

Be nice to have a contribution from one of the remappers on this...

I suspect they will introduce another type analyser and/or reduce the pass level?
 

television

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I suspect they will introduce another type analyser and/or reduce the pass level?

They cannot reduce the pass level, that is EU set and the cars have all been built to pass within the set level.
 

Rory

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More and more I think my next car will need to be petrol.
 

exjag

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The solution is to just leave the b****y thing alone. The filter is there for a purpose, which is to minimise health risk, especially to kids with asthma.
 

yorkshire1

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exactly how

So the particulate filter is there to trap whatever it was designed to trap but then during the regeneration stage is the same crap not blown back out again

ie pootling about town DPF traps crap to keep punters happy then once you warm up and put your foot down int country give em it back again??!!
 

television

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So the particulate filter is there to trap whatever it was designed to trap but then during the regeneration stage is the same crap not blown back out again

ie pootling about town DPF traps crap to keep punters happy then once you warm up and put your foot down int country give em it back again??!!

It gets recycled
 

M80

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DPF means higher consumption, sounds like a contradiction me thinks.

Wait for the argument at MOT when the guy says, "your 2005 car has had the filter removed".

Have I to produce information from the VIN to show it never had one ?
 

whitenemesis

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So the particulate filter is there to trap whatever it was designed to trap but then during the regeneration stage is the same crap not blown back out again

ie pootling about town DPF traps crap to keep punters happy then once you warm up and put your foot down int country give em it back again??!!

The diesel particulates burn off in the higher exhaust temps during regeneration. The resultant waste if far less harmful.
 

whitenemesis

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DPF means higher consumption, sounds like a contradiction me thinks.

Wait for the argument at MOT when the guy says, "your 2005 car has had the filter removed".

Have I to produce information from the VIN to show it never had one ?

As now with CATs, the test station will have a database of which cars originally had filters fitted.
 

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