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-   -   Additives? Searching for some info for my Audi (http://986forum.com/forums/showthread.php?t=27034)

urban_legend 11-29-2010 04:41 PM

Additives? Searching for some info for my Audi
 
and I came across an additive (Cataclean) that is supposed to clean your catalytic converters to get rid of the dreaded bad cat code 0421.

And I wondered if anyone used any additives that they worked or were worth the price. I have seen good reviews for Techron and Tufoil but have never used them.


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