2.0 petrol emissions bank1 over threshold

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22 September, 200916 yr

A friends 2.0 Golf has been fitted with a fast flow cat and big bore exhaust. BUT he now keeps getting the fault ( as tested with VAG-COM) saying the emissions are "Main Catalyst,Bank1 Below Threshold".

An MOT on friday showed emissions are only just inside ( but are inside ) the maximum to pass the test.

Is there a way to change the threshold value so that the fault light will come on with a higher emission ?

Thanks in advance for any advice

Langtone

Edited 22 September, 200916 yr by langtone

23 September, 200916 yr

That would have to be done by programming (chipping, etc.) It can not be changed with VCDS aka Vag-Com.

23 September, 200916 yr

could vag tacho do it?

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