Some of you may have seen that I am fitting a 3 cylinder engine into a 300e and am about to fabricate the exhaust.
The cat is part of the exhaust manifold close to the head so it could meet the 2003 emissions requirements with just one cat.
There is a lambda sensor before and after the cat so the question is if I remove the cat what will the ECU do to the running as the readings will be the same before and after?
As I am not sure if I can include a management light yet I will not know if the system will go onto limp mode.
Anyone have any relevant experience or knowledge please?