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Re: GMC P0430
Posted to Technical Discussion Forum on 2/29/2008 2 Replies

Hey Jason,

I know you know that if all basics are good (no exhaust leaks, good fuel control...) the cat monitor rules. But I like to see the test to get a idea as to when the monitor fails in relationship to the change in the o2 voltage. Does it do me any go... Login to read more.

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