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MOT's & CAT's

Fab Estate
in General Automotive Chat

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Does a diesel car have to have a Cat fitted to the exhaust to get it through the MOT?

Does a diesel car have to have a Cat fitted to the exhaust to get it through the MOT?

No it doesn't. :thumbup:

A diesel car does not need a cat to pass the emissions test, as it's not tested, only smoke. I don't know about removing DPFs. However I have read a good post on another forum that states it may still fail. See Turbo Diesel Owners Club UK - Diesel Emissions and De-Cats

Just an update. I have just read a post on Seat Cupra.net about de catting and a Guy from Longlife Exhausts says it is illegal to remove cats on cars registered before 2001. Longlife would be fined if they were found out to do a decat to a car after this date!

See here: Decat on TDi - Fail MOT? - Page 2 - SEAT Cupra.net Post number 29.

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