Ms
If anybody else sent a response to GM, what were the results, if any?
Thanks.
Last edited by RareBird WS6; Feb 22, 2007 at 08:39 AM.
I had 2 of the cats changed under warranty around 50k, the second two failed at 90k and 100k, out of reg. warranty and extended warranty (tried at the dealer at the time, no go).
I guess I got one of the 'lemons' when it comes to cats.

plainly speaking, this is a $500+ job to change just one, if you do not, you'll have 'service engine' light on and will not pass inspection. Cats regulate emmissions released into air.
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