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Thread: S14 cat emissions

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    S14 cat emissions

    Hi everyone so took my s14 import for mot and failed on emission as it has no cat. Does anyone know where I can buy a new cat asap? As retest on Friday?


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    Guest CrazySx's Avatar
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    Do u need just the cat or a downpipe and cat?

    What do you have at the moment? I downpipe and a decat pipe? Or a one piece jobbie?

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    Well on the mot results it states I have no cat. It's all bolt on has a silencer mid section so I guess I need just the cat.

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    Guest daveyboydave's Avatar
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    If it didn't have a cat from new in Japan I believe it is exempt. But you will need a letter from Nissan to prove it.

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    I have exempt on logbook . It's a 1994 s14.

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    But on mot states there should be one from standard

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    Guest CrazySx's Avatar
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    Show the MOT tester your logbook!

    Else I have a brand new downpipe and cat in shiny stainless used once on my car to get it through MOT.

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    How much would u want m8? Incase

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    Guest CrazySx's Avatar
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    I paid 150 just for the sports cat. Would take that for the downpipe and sports cat.

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    Here's my what's up guys 07725622708 as talk pad is a bit slow

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    Guest rich damms's Avatar
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    Any s14 will need a cat for its mot. No s14 is that old it doesn't need one. Just fit or borrow a cat. Imports don't have a downpipe cat just the centre one

    U.K models have 2 cats , well s14a's do unsure if a uk s14 has two or just one

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    Guest JuicyCarbonFX's Avatar
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    I know from personal experience it will pass on just the second cat, so you just need to source a second hand unit from a reputable person.
    I found one for £35 posted last year
    http://www.ebay.co.uk/itm/S14-Race-C...QAAOSwLEtYm4cA
    Last edited by JuicyCarbonFX; 26-03-2017 at 17:26.

  13. #13
    Guest rich damms's Avatar
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    Quote Originally Posted by JuicyCarbonFX View Post
    I know from personal experience it will pass on just the second cat, so you just need to source a second hand unit from a reputable person.
    I found one for £35 posted last year
    http://www.ebay.co.uk/itm/S14-Race-C...QAAOSwLEtYm4cA
    Yeah will defo be fine with 2nd cat

  14. #14
    Guest speedingmofa's Avatar
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    How far off were the results?

    Usually we pull a vac line for MOT testing, and most of us with stock motors get through no problem

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    He couldnt test as cat was missing. So i dont know m8. Found a cat but i need the sensor that goes into it.

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    Guest CrazySx's Avatar
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    Quote Originally Posted by andre200sxs14 View Post
    He couldnt test as cat was missing. So i dont know m8. Found a cat but i need the sensor that goes into it.

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    Sensor? What sensor? Your lamda should be in the turbo elbow.

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    Guest Jonnay's Avatar
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    Imports have an exhaust gas temp sensor in the cat, you don't need it though, all it does is put a hot cat light on on the dash if the cat gets too hot.

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    Crazysx can u what's up me again as need to arrange pick up for the sport cat cheers

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    Quote Originally Posted by Jonnay View Post
    Imports have an exhaust gas temp sensor in the cat, you don't need it though, all it does is put a hot cat light on on the dash if the cat gets too hot.
    Hi Jonnay is this true of all imports? I’m just fitting a decat right now and I can’t for the life of me get the old sensor out it is solid and I’ve stripped the nut so would be good to know I can just ditch it?

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    Mines an import and I don't have a sensor due to having a custom downpipe with a cat built in, got no warning lights or problems

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