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Old 29 Jun 2013, 01:46 pm
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Default How to fix these engine codes P0430 and P2195 on 2003 Honda accord V6?

I went to advance auto today to check my engine light, it's been on for about a month, just hadn't had the time to get it checked. I have a 2003 Honda Accord coupe ex V6 model.































The codes P0430-Catalyst system efficiency below threshold bank 2, and P2195 oxygen sensor signal biased/stuck lean bank 1 sensor 1, came up.































I was wondering if since they both came on, should I just replace the oxygen sensor(s)? Thanks.
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Old 29 Jun 2013, 02:06 pm
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I'd strongly suggest that you start with replacing the o2 sensor and be sure you buy the right brand of o2 sensor for that car.































Hope that helps and best of luck.
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Old 29 Jun 2013, 02:16 pm
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I agree with Helpful Bob: start with the oxygen sensor code first, as a faulty sensor can cause the computer to think the cat converter is bad.
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