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Rattle and Bog



I emptied my cat on the 8V after it cracked but it sounded like crap, big 
empty resonator. I later had a pipe welded down the center so it looked 
like a cat but was actually a test pipe... Oh and I never failed smog.

-RGK-

At 02:43 PM 2/18/2004, David Utley wrote:
>If you have a rattle, and it is indeed the catalytic monolith material 
>that is
>rattling in the housing, then that is more than likely the cause of your
>stumble off idle...  It is causing too much back pressure because the 
>material
>is lightly cocked to one side or the other...  Had this happen on a 77 TII 
>van
>of all things, very frustrating...  I emptied the cat altogether (no
>inspections around here, boy), and it made a huge difference...  Check your
>local laws as far as removing the cat, etc...
>
>HTH
>--
>Regards,
>David Utley
>-----------
>Cable Volkswagen
>405-470-3129
>1-800-522-6793
>
>
>Quoting Chad Eatock <ceatock@sympatico.ca>:
>
> > Hey there,
> > I have a rattle coming from the catalytic it seems and the car is running
> > boggy at start up....I'm being told I need an o2 sensor and maybe a new 
> cat?
> > Also, I would like to be able to diagnose my idling and mixture issues and
> > was wondering what type of tools I should get!  Thanks.
> > Chadster '87 16v
> > _______________________________________________
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> > Scirocco-l@scirocco.org
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> >
>
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