[Shotimes] What can destroy a cat?

[cmichaelo@optonline.net]

Quite normal I think.  In about 5-10min I think. Temp is in the normal range, but closer to Low.

Michael Olsen
----- Original Message -----
From: Shylo McKinsey <mrfluffy02@yahoo.com>
Date: Tuesday, June 15, 2004 12:10 pm
Subject: Re: [Shotimes] What can destroy a cat?

> Thermostats which are stuck open will also destroy
> cats. How quickly does your engine heat up?
> 
> Shylo McKisney
> 
> '91 White POS
> 
> --- cmichaelo@optonline.net wrote:
> > I have now destroyed my second catalytic converter.
> > I'm trying to find out if something is wrong my
> > engine, or if the cats were just of poor quality to
> > begin with. 
> > 
> > Both cats were bought from Sho Shop in 1997. 
> > 
> > The first cat lasted about 40k, and the second about
> > 30k.  
> > 
> > I strongly suspect that the first cat died to some
> > prolonged trouble with the MAF which produced rich
> > fuel mixture. During the life of the first cat I
> > only averaged 17-18 mpg.
> > 
> > But with the second cat I had no such problem with
> > the MAF.  I'm now averaging 20-21 mpg. However, I do
> > have an excessive oil consumption, and I'm wondering
> > if oil is leaking into the cylinders and is burning
> > up, if that can destroy a cat?
> > 
> > What else could destroy a cat?  I have 130k on the
> > car. New oxygen sensors. New 77mm ProFlow MAF. No
> > chip.  Good acceleration.  Good idle.  Car is due
> > for 60k though.
> > 
> > Michael Olsen
> > 94MTX,green,BOX+
> > 
> > [demime 0.99d.1 removed an attachment of type
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> > charset=windows-1252]
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> > 
> 
> 
> 
>        	
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