Home Page › Forums › Discussions › General independent garage chat › Lobby group calls for stricter DPF checks during MOT
- This topic has 6 replies, 1 voice, and was last updated 3 years, 6 months ago by jodi bremner.
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Mike Ruff, GW editorKeymaster
An all-party parliamentary group on air pollution is calling for stricter legislation around DPF testing during MOTs to reduce particulate matter emis
[See the full post at: Lobby group calls for stricter DPF checks during MOT]michael clearyGuestIf they got rid off bike lanes road humps and got traffic moving quicker instead off slowing it down we would have less polution
keithGuestMaybe they should be looking into PM from petrol direct injection vehicles as well, as it seems these need a GPF to collect the real small pm’s they are producing. Maybe they should be asking if catalytic converters on petrol vehicles really work in real life traffic driving, ie not steady cruise conditions.
Plus a study into other PM producing problems and causes.
Question. Why do they allow people to modify vehicles in the aftermarket if we are concerned with emissions, changing software and exhaust systems.
Question 2 If aftermarket catalytic converters / DPF units work being approx half the size and quarter of the weight, why don’t the vehicle manufacturers buy and use them as they are always looking to save weight and cost?Meat-HeadGuestUtter fuds, how can dumping neat fuel down an exhaust pipe be good for the environment
If your that bothered legislation to make them easy to clean at home!
As for EGR on a diesel another fud’s idea
KeithGuestCould try hanging a tin on the tailpipe to catch all this neat fuel, as it must be running out the pipe.
The PMs we can see (black smoke) are not the real problem, its the very small ones that can cause harm, direct injection petrol vehicles produce these, dont they?Ian WhitmoreGuestAbout time! the number of owners groups i see, is staggering where the vast majority of people state just remove it (DPF Delete)
If there is a problem, Unfortunately they dont realise that the DPF does not go wrong, They is always a cause from something else being faulty having a knock on effect.jodi bremnerGuestThe problem is, these systems don’t work. They maybe OK for 10000 miles or so but once a strictly engineered system is faced with a few years and miles of wear and tear, carbonating and blocking, they cease to operate as designed and it becomes a spiral of wear causing inefficiency, causing further wear. We all know its the emissions control systems and their strict operation that cause so many problems on modern cars, really at 100.000miles a new DPF to, especially an aftermarket one, to last would probably require new injectors,HP pump, a set of rings and a full de-carbon along side it.
There is a reason an ultra reliable moon buggy or F1 car cost £100M and a run of the mill PSA engined family diesel costs £15k, they’re not designed or built to last. -
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