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URGENT!! MOT fail



  Ph1 172
Hi there, appologies if this is in the wrong section but my clio mk1 172 has just failed it's MOT it had a racing cat which i didn't realise, is it possable to source a cheep cat quickly and cheeply, the guy who MOT'd it said it was over £1100 from Renault, please help ASAP!!!
 
  Sunflower & Golf Mk6 BMT
If its a racing cat then it should pass MOT. If its a straight through pipe then it wont.

It will be hard to get hold of one at short notice. Try get one from a breackers.
 
Have you failed on emissions?

Or is the MOT tester looking at the cat and just saying "that's wrong"?

As mentioned above, if it's a racing cat then it should pass as it should be working as a catalytic convertor, therefore reducing emissions.

If it's just a straight through piece of pipe then it may well mean emissions are above the allowed levels.

But if the MOT tester's just saying "it's too loud" he's just being an arse - take it elsewhere to get done.

Don't buy new from renault, at £1100 that would be like getting dry bummed. Source a secondhand one from a scrappy or check the for sale section in here. Or it could be worth a call to MATT BLACK or Yozza to see if they've got one lying around they can post.

And if you have got a racing cat, don't just give it to whoever swaps the new one on, keep it!

As a tip for passing emissions, I hear that putting a bottle of injector cleaner in beforehand (the one you put into the petrol, like Redex) will help things, as will asking them to do the emissions test at the start of the MOT when the engine is still at its hottest.
 
  Ph1 172
cheers everyone, i think that that cat has burnt through anyway, he showed me underneath the car and it's a double barrelled cat , is that correct? as the ones i have seen on the internet have been single ones i will try to post the photo i have on my mobile!
 
  Ph1 172
sorry forgot to mention it failed on emmissions, your allowed up to .3 but mine was at 2.3 he said anything over 1.7 and it's most likly the cat, will the fuel i use make any difference as last time i filled up there was no super unleaded!
 

K-Tec Racing

ClioSport Trader
  172LBT-172HBT-197-R2
If it is a double barrelled cat it is the standard cat. We would b able to supply you a very good second hand one for £75+vat including delivery.

David.
 


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