P0430
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TECH Regular
Joined: Jan 2003
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P0430 P0430 Code thrown, Cat system below threshold. meaning my cats are shot? I plan on gettin rid of them within a month with some kooks headers and ory. I am autocrossing this weekend, will this affect anything? is this any type of potential problem causer?
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Joined: Jun 2002
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From: Las Vegas, NV
Re: P0430 That IS a code for a bad cat, but it could just as easily be a bad O2 sensor. The way to find out is to switch your O2 sensors. If you throw P0420 it's the sensor, if not, it's the cat.
As long as the car is running okay, that code will not hurt performance.
As long as the car is running okay, that code will not hurt performance.
