STi7 PPP - Check Engine Light

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12 November 2002, 12:40 PM

Pete Croney

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I've been contacted by a few dealers with customer cars that are throwing up P0420 "Cats below efficiency threshold".

How common is the problem?

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12 November 2002, 03:28 PM

russell hayward

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Not me

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12 November 2002, 03:55 PM

Pete Croney

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Glad to hear it Russ.

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12 November 2002, 04:36 PM

Nathan L

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Do I hear the dealers asking for some CEL fixes ?

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