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International Automotive Technicians Network
Re: P0420
Posted to Technical Theory Forum on 1/14/2007 3 Replies

hey Jim,

sorry Jim, let me correct this just a little. what hc and co are doing is what a working converter is going to do, the higher the hc/co, then the higher the temperature difference between front and rear readings.

if you want to be sure the convert... Login to read more.

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