RE: Little tid-bit of info for Catalytic Converter Replacements

From: greg conner (dodgeboy93@hotmail.com)
Date: Thu Jul 01 2004 - 01:23:08 EDT


What the hell is a catalytic converter???

=-P

Greg Conner
1996 RC
3.9 hybrid

>From: "Bernd D. Ratsch" <fasstdak@hotmail.com>
>Reply-To: dakota-truck@dakota-truck.net
>To: <dakota-truck@dakota-truck.net>
>Subject: DML: Little tid-bit of info for Catalytic Converter Replacements
>Date: Wed, 30 Jun 2004 20:47:36 -0500
>
>
>
>For those who are planning on (or have recently) changed out your catalytic
>converters...I ran across some interesting information (verified as well):
>
>You must reset the internal PCM "clock" (for ease of terminology) when
>changing out the catalytic converter. The reason being is that the
>adaptives are changed over time to compensate for efficiency deterioration
>of the cat. When we change them out, we use the DRB and select "Catalytic
>Converter Replacement" to reset this. What is the downside of not doing
>this...the PCM still thinks that there is an older cat on the vehicle and
>will change the fuel tables slightly.
>
>- Bernd

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