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defective cats

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Old 12-07-2008, 03:10 PM
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defective cats
how do cats go bad causing need for replacement? are the stock cats prone to this problem? do all cats have a "lifespan"?
 
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Old 12-07-2008, 03:15 PM
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usually go bad from using leaded fuels like racing gas...
 
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Old 12-07-2008, 03:50 PM
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Originally Posted by EB847
how do cats go bad causing need for replacement? are the stock cats prone to this problem? do all cats have a "lifespan"?
IIRC, cats have a federal required lifetime of 8 years. If your cat goes bad in that time, take it back to the dealer for replacement.

-td
 
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Old 12-08-2008, 11:44 AM
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Think my cat is throwing codes P0420, 0430. I replaced the 4 O2 sensors and so far threw code one time in about 1000 miles.
 
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