[DeTomaso] [NPC] Catalytic Converters

[John Bentley (jab)]

Unless its plugged.  Strange things happen when plugged.  

JB

 

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
On Behalf Of Tomas Gunnarsson
Sent: Tuesday, March 14, 2006 2:08 PM
To: Paul Timko; Pantera List
Subject: Re: [DeTomaso] [NPC] Catalytic Converters

Paul,

The cat should not affect the regulation loop at all. If anything in
that neighborhood it could be the O2 sensor (or anything else in the
control loop of course).

Tomas
----- Original Message ----- 
From: "Paul Timko" <thedrol at pobox.com>
To: "Pantera List" <detomaso at realbig.com>
Sent: den 14 mars 2006 22:53
Subject: [DeTomaso] [NPC] Catalytic Converters


> My step-son has an 91 olds.  The guy at the muffler shop is telling me
that 
> the catalytic converter is "breaking up"  I'm not exactly sure what
that 
> means, but of course he is recommending that it get replaced.  It is 
> currently not running well.  The RPMs are unsteady like it is seeking
the 
> proper mixture but it doesn't have a clue. While this is happening the

> instant MPG is low 4-9 MPG for a Quad Cam 4.  After a little while, it
runs 
> fine and the MPG is back in a normal range ~20.  I figure that the O2
is 
> going, but could the catalytic converter be part of the problem?  I
always 
> thought that all it did was convert "bad" exhaust to "good" exhaust.
> 
> Any thoughts?
> 
> Paul
> #9270 
> 
> 
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