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Re: GM cat monitor/ monitors setting in order
Posted to Technical Discussion Forum on 9/1/2018 3 Replies

Only code I saw was 446 pending when I received it. Cleared out, believe fuel level is to low to let that run and regardless, my temp was no where near it needed to be to even allow forced EVAP test would allow. Cat is enabled and I've seen it naturally run. Login to read more.

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