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Re: On-Board Catalyst Monitoring, IR, etc.
Posted to Technical Theory Forum on 9/17/2003 2 Replies

Hi all

I've read 2 or 3 times the issue about cat monitoring in Ford section, and did not catch the concept around index ratio (IR). I do not understand which parameters (of the signals) are counted and compared.

Opinions are appreciated. Regards Login to read more.

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