In article ,
Simon Hobson wrote:
Not to mention that to make a cat work properly, excess fuel is burned
to create the right conditions in the exhaust.

Excess fuelling will kill a cat. in short order, surely? That's why you
have a lambda sensor to keep the fuelling constant once it's gone closed
loop?

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*I'm not being rude. You're just insignificant

Dave Plowman London SW
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