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Euro 4 standards - kenwebb

having read about this in the column on saturday i am most interested to know what it means? is this something that will effect older cars, or will it only apply to new?. more importantly what is /are these new standards please?.
Euro 4 standards - PR {P}
www.haguidetofreight.co.uk/General/id94.htm

I found this, very informative!

As for affecting old cars, I dont think it does. It just means that all new cars after the date of implementation will have to comply.
Some makers already do comply with the Euro IV emissions.
Euro 4 standards - kenwebb
thank you for your quick reply, is there any way that I/ you can confirm that this will not be a new measure in coming MOTs for example this obviously puts to question which present cars could be made to meet this new standard, would it produce a problem in s/h purchases/sales etc? i ask this because i have a 1997 astra with only 66k i expect it to do 3x this amount. your further help would be most appres. thank you again.
Euro 4 standards - Civic8
It doe`s normally only affect car`s in production at the time.ie cars made from now on will most probably be made to the spec required at that future time.I think being 2005/6 The older cars are unlikely to be affected as it would cost a lot to sort out.and in most cases impossible to implement.so I think you are safe.You only need to check out the site that gives the info/I forget at the moment but will post later.
Euro 4 standards - Civic8
www.haguidetofreight.co.uk/General/id94.htm I think HJ already posted this site.Not sure?
Euro 4 standards - PR {P}
I think it is as Mech1 says, these limits are for new cars only. Your car will have its limits, but at the time it will have passed these limits. It could of course fail its emissions, but measured against the levels it was manufactured for, not the current new car ones.
Euro 4 standards - arnold2
The Euro 4 standard only applies to NEW cars registered from Jan 2005 ...

However, here's the rub - the car manufacturers AREN'T generally telling customers which of their car engines DON'T meet the new standards - so there will be lots of deals on these old-engined cars towards the end of this year ... that's why the Golf, Focus & Astra are all being replaced this year !

I wonder if the residuals on these 'dirty' engined cars will be worse, though ...
Euro 4 standards - Malcolm_L
All manufacturers must advise customers which Euro standard
their engine complies to - it doesn't make sense not to.

Ford currently offer a EuroIII and IV version of the Mondeo diesel - obviously the Euro IV is more attractive
to company buyers who will lose the 3% surcharge for a diesel vehicle (Euro IV diesels are exempt from the 3% surcharge).

Current legislation doesn't affect the private owner as much as the company drive so residuals shouldn't be affected by the
Euro standard.
Euro 4 standards - dieselhead
Euro 4 regulations requires in effect catalytic converters on new cars to operate within a few seconds of the engine being fired from cold. Previous to euro 4, a typical catalyst would take several minutes to heat up and start working when the vast majority of pollution is caused.

To achieve this faster warm up the catalyst will either be mounted directly onto the exhaust manifold or in the usual underfloor location provided a double skinned exhaust downpipe is used to reduce heat losses. Additionally at start up, the engine is run for a few seconds in effect like a burner - the ignition timing is severely advanced and/or the exhaust valves are opened early to force burning exhaust gases into the exhaust to 'light off' the catalyst more quickly.

Offcourse the result of this will be cars with a higher fuel consumption which will be more expensive to maintain and repair.