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Failed emissions....quick question

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Old 06-19-2006, 06:15 PM
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Question Failed emissions....quick question
Ok....i passes the tampering inspection and gas pressure inspection, but i failed the OBD inspection......says 1 code reported: P0430 Catalyst System Efficiency Below Threshold (bank 2)........does this just mean I have a bad cat?

thanks for the help
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Old 06-20-2006, 01:58 PM
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Possible bad cat...I'd switch the rear O2s and see if it goes to Bank 1...if so, then O2 needs to be replaced...same code, then bad cat
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Old 06-20-2006, 02:42 PM
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Most likely it's the passenger side cat. If you're under 80K they're covererd under the federal emissions warranty.
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