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Re: 99 Escort, 2.0 Failed Nox
Posted to Technical Theory Forum on 7/18/2007 7 Replies

I think most of the comments are on track. A couple of clarifiers:

(1) The 1999 model year vintage was only monitoring the catalyst for HC conversion efficiency. Monitoring of the catalyst for both HC and NOx conversion efficiency didn't start until 2005-200... Login to read more.

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