[DeTomaso] [NPC] Catalytic Converters

[Paul Timko]

I checked for unplugged sensors and there weren't any.  The O2 is only $22, 
in stock and it is easy to get at, so I thought I would give it a shot.

Paul
#9270

----- Original Message ----- 
From: "John Bentley (jab)" <jab at cisco.com>
To: "Tomas Gunnarsson" <guson at home.se>; "Paul Timko" <thedrol at pobox.com>; 
"Pantera List" <detomaso at realbig.com>
Sent: Tuesday, March 14, 2006 4:07 PM
Subject: RE: [DeTomaso] [NPC] Catalytic Converters


> 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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