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Fixed NOx Failure on a 1989 Cadillac Deville
Posted to Emissions Forum on 9/18/2002 5 Replies

Hi EMF'ers

I thought I'd post the fix on this 1989 Cadillac Deville. It may be common knowledge to some, but this was the first time I've ever seen a failure like this.

CO and HC readings were well within passing figures. NOx was elevated at both 15mph and... Login to read more.

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