Failed MOT for emissions

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DrFishyMD

New Member
Messages
1
Location
Brandon, UK
I need help, my evo 4 failed MOT for emissions. It's at around .620 when it should be at .200 for CO I think. I have a 3 in turbo back exhaust with a new stock cat in it, a slightly bigger throttle body and a hks intake. What would cause it to be higher on emissions and what should I do to fix it? Any help would be appreciated.
 
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AdrianEvo6

New Member
Messages
3
Location
Kent
Hello, mate.

I don’t know the answer myself but saw there were other owners with the same issue.

If you Google: “mitsubishi evo mot emissions failure”, there are a couple of links (I am not able to post the links, the forum won’t let me add links in my reply).

Hope it helps!
 
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