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car emissions


 
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pen4uk

from United Kingdom

Joined: 21 Mar 2010
Posts: 40
Location: Kent,
United Kingdom

PostPosted: Tue Mar 06, 2012 9:31 pm Reply with quote

Hiya, Can anybody help please. Cant afford to change my car its passed everything in the MOT but the dam emissions can anybody give me some advice??? A mate told me take the air filter out and that will lower the emissions is this true?
Its a Renault Laguna R reg
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Burnerman

from United Kingdom

Joined: 07 Feb 2008
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Location: Northumberland,
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PostPosted: Tue Mar 06, 2012 10:07 pm Reply with quote

Its always best to submit the car for MOT in as good condition as is possible, and engine wise this means a new air filter and spark plugs at least for low emissions.
Leaving the air filter out won't work, and to give the car its best shot the catalytic converter needs to be very very hot.
If it still won't pass, then its time for remedial work, I'm afraid.
John icon_smile.gif
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Avocet

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Joined: 30 Dec 2008
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Location: Cumbria,
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PostPosted: Tue Mar 06, 2012 10:08 pm Reply with quote

It depends what was wrong on the emissions. Do you have the printout from the gas analyser? The choices are CO, HC and Lambda. If the CO is high or the Lambda is too low, taking the air filter out MIGHT help a bit, but there are plenty of other possible causes. Taking it for a good thrash (high speed, / high revs) and getting the car stinking hot might also help.
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Crickleymal

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PostPosted: Thu Mar 08, 2012 8:58 am Reply with quote

It might also help if you said whether it was a petrol or a diesel model..
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Nige F

from United Kingdom

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PostPosted: Sun Mar 11, 2012 7:57 am Reply with quote

Avocet wrote:
It depends what was wrong on the emissions. Do you have the printout from the gas analyser? The choices are CO, HC and Lambda. If the CO is high or the Lambda is too low, taking the air filter out MIGHT help a bit, but there are plenty of other possible causes. Taking it for a good thrash (high speed, / high revs) and getting the car stinking hot might also help.
A good high speed thrash will clean out both a diesel and a petrol car - New Oil and filter will help too icon_idea.gif
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peterperfection

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Joined: 08 Aug 2011
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Location: Lancashire,
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PostPosted: Mon Apr 09, 2012 11:54 am Reply with quote

BUt- a bottle of FORTE in the fuel tank and a (Italian tune up) ie: a real good thrashing for 20 miles or so will get emmissions down- guaranteed. icon_smile.gif
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