| Saxo Engine/Performance If you're interested in tuning Saxo engines, or if you need to know something which is engine related... this is the place for you. |
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28th August 2012, 22:41
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#1
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L-plater
Join Date: May 2011
Location: norfolk
Posts: 66
Car(s): Saxo vtr and a Pug cti 1.9
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decat mot woes!!
Hi all, is there anyway i can get my 2003 mk2 vtr through the mot with a raceland decat manifold fitted to a freeflow middle section and backbox? Or if not, has anybody out there got a spare standard cat manifold i could buy/borrow/hire!, to fit just for the mot? Many thanks.
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28th August 2012, 23:14
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#2
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Saxperience Post Whore
Join Date: Apr 2011
Posts: 9,100
Car(s): Amazon green VTR 16v, Inferno RS clio 182
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Is that centre section connected directly to the manifold without a decat pipe in place I take it?
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28th August 2012, 23:23
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#3
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Saxperience Post Whore
Join Date: Mar 2009
Location: Uppingham, Rutland
Posts: 9,569
Car(s): mk1 JP4'd VTR, '16 Fabia Monte Carlo
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simple answer no your car will not pass an mot without a cat unless you are stupidly lucky and it passes the emmissions test, i wont say that its impossible but highly unlikely
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29th August 2012, 01:08
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#4
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Saxperience Forum Bum
Join Date: Dec 2008
Location: Lancs
Posts: 4,124
Car(s): JP4S'd R.
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Mine read 1.25% co2 emission's without a cat haha! Limit is 0.01% so 125x over 
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29th August 2012, 07:27
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#5
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L-plater
Join Date: May 2011
Location: norfolk
Posts: 66
Car(s): Saxo vtr and a Pug cti 1.9
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Hi all, well ive heard that if the ecu is remapped after fittin a decat, you can get emissions set up to pass!, i will take it for the mot and see if im a lucky bunny on the day....watch this space ok guys!! ;-) ps.gandi699, yes the midsection connects straight to the 4 branch manifold without a cat fitted anywhere....just a stainless backbox.
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29th August 2012, 07:36
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#6
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Established Member
Join Date: Jan 2011
Location: Aylesbury
Posts: 1,868
Car(s): Seat Leon Cupra tdi
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Due to the new MOT rules etc, your car won't pass an emissions test unless the tester can physically see a catalyst in your exhaust system or you can prove theres reason for not having one O(eg, car is before 1994 or whatever it is that makes them exemp, but since this is a saxo that'll be unlikely.)
But tbh, you can buy a MK1 centre pipe and cat converter just for the MOT, it will fit straight under the car with no hassle.
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Quote:
Originally Posted by Prickle
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29th August 2012, 07:57
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#7
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Saxperience Post Whore
Join Date: Mar 2009
Location: Uppingham, Rutland
Posts: 9,569
Car(s): mk1 JP4'd VTR, '16 Fabia Monte Carlo
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I can't believe your taking your car for an mot with no cat, just setting your self up to fail
Even if you did map your car to pass an mot firstly your car would probably be so down on power to achieve low emissions and secondly you would pay£300+ to have your car run that slow?? When all you have to do is spend half an hour fitting the old manifold lol I think you've got your priorities mixed up here, just to keep a manifold....
Last edited by jeffchiz; 29th August 2012 at 08:03.
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29th August 2012, 08:23
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#8
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Super Moderator
Join Date: Nov 2009
Location: Cambridge(ish), UK.
Posts: 10,581
Car(s): BMW 5x M50d.
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Find a "better" MOT station tbh...
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The Following User Says Thank You to Ross For This Useful Post:
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29th August 2012, 08:29
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#9
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Saxperience Hardcore!
Join Date: Oct 2008
Location: Birtley
Posts: 22,253
Car(s): VTR Turbo, 106 xsi track slag, Transit recovery, B
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As said
Man that can..
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Originally Posted by Stissy
EDIT: i give up on you.
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Quote:
Originally Posted by Giraffe
FUCK YES. I won on the internet.
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29th August 2012, 16:27
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#10
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Frequent Poster
Join Date: Sep 2011
Location: alfreton
Posts: 533
Car(s): saxoo vtr mk1, 104bhp
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You will just get laughed at if the man asks you if it has a cat because the emmisions is so high and you say no! As jeffchiz said just swap back to std mani cat for a bit for the sake of 20 min!
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29th August 2012, 19:35
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#11
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L-plater
Join Date: May 2011
Location: norfolk
Posts: 66
Car(s): Saxo vtr and a Pug cti 1.9
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Please read my original thread posting thoroughly before commenting!! I told you that i did not have the standard manifold did i not?? Thats what im after from you....if anyone has one, and i need the mk2 manifold + the downpipe cat not the midsection mk1 cat ok.
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29th August 2012, 19:36
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#12
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Saxperience Post Whore
Join Date: Nov 2010
Location: Kent
Posts: 8,439
Car(s): Gen 7 Celica 190.
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Quote:
Originally Posted by RossDagley
Find a "better" MOT station tbh...
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No comment 
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29th August 2012, 19:58
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#13
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L-plater
Join Date: May 2011
Location: norfolk
Posts: 66
Car(s): Saxo vtr and a Pug cti 1.9
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To karlb1, so can i possibly just fit the midsection mk1 vtr cat to my mk2 vtr, therefore leaving my 4 branch in situ? As this would save hastle moving my oil filter again!.
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29th August 2012, 20:31
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#14
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Saxperience Post Whore
Join Date: Mar 2009
Location: Uppingham, Rutland
Posts: 9,569
Car(s): mk1 JP4'd VTR, '16 Fabia Monte Carlo
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Quote:
Originally Posted by vtr-man
Please read my original thread posting thoroughly before commenting!! I told you that i did not have the standard manifold did i not?? Thats what im after from you....if anyone has one, and i need the mk2 manifold + the downpipe cat not the midsection mk1 cat ok.
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Lo you don't have a cat so your asking us if mapping your car will help and I'm telling you it's a stupid idea, just because you don't have a cat doesn't mean the next best alternative is to spend a fortune mapping your car to run like a dog just so you don't have to buy another manifold
you asked us will a car pass an mot without a cat and the answer is no, then you asked will mapping your car make a difference, and if you meant this thread to be a wanted thread then that is against the rules and its in the wrong section,
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29th August 2012, 21:12
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#15
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L-plater
Join Date: May 2011
Location: norfolk
Posts: 66
Car(s): Saxo vtr and a Pug cti 1.9
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ok jeffchiz no need to be a know all knob head
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29th August 2012, 21:48
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#16
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Super Moderator
Join Date: Nov 2009
Location: Cambridge(ish), UK.
Posts: 10,581
Car(s): BMW 5x M50d.
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Quote:
Originally Posted by Cam
No comment |
When my 106 went in for its mot, my emissions from the zafira were great... 
Don't know what you mean officer.
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The Following User Says Thank You to Ross For This Useful Post:
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29th August 2012, 21:50
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#17
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Established Member
Join Date: Jan 2012
Location: south essex!!
Posts: 2,442
Car(s): posi blue vtrs race car
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Quote:
Originally Posted by vtr-man
ok jeffchiz no need to be a know all knob head
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Bit nobish...
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29th August 2012, 21:58
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#18
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Forum Section Moderator
Join Date: Aug 2008
Location: Liverpool
Posts: 15,517
Car(s): Saxo VTR
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Quote:
Originally Posted by RossDagley
When my 106 went in for its mot, my emissions from the zafira were great...
Don't know what you mean officer. |
Quality haha
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29th August 2012, 22:01
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#19
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Established Member
Join Date: Jan 2012
Location: south essex!!
Posts: 2,442
Car(s): posi blue vtrs race car
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Quote:
Originally Posted by RossDagley
When my 106 went in for its mot, my emissions from the zafira were great...
Don't know what you mean officer. |
Does yours need an emissions to complete the test? My local dont.... I do it everytime tho... :-) LOL!!!
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29th August 2012, 22:15
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#20
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Saxperience Post Whore
Join Date: Mar 2009
Location: Uppingham, Rutland
Posts: 9,569
Car(s): mk1 JP4'd VTR, '16 Fabia Monte Carlo
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im not trying to be a knob head but at the end of the day this thread was ever going to end in one answer, buy a cat, i persoanlly would find it easier to fit a oem manifold than mess around with changing the center pipe to a mk1 item and buying a mk1 cat and then having to sleeve the second lambda sensor as the mk1 set up wont have anywhere to plug the second lambda in to
if you just buy a mk2 cat/manifold then its all standard, will have both places to plug the lambdas in to and then its how citroen intended it to be and should have no reason to fail an emmisions text as logn as the cat is in good working order
or do what others have said and find a friendly mot center, people are under the immpression you need to have the emmisions test done on another car, in fact an emmisions test does not have to be done, its not regisitered anywhere =, it was news to me when i 'heard' about this
Last edited by jeffchiz; 29th August 2012 at 22:18.
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