P0430 After Replacing Bad Ignition Coil?

So recently i had a ignition coil go bad in my 2003 honda accord v6 sedan. I replaced the bad ignition coil and ran good again. After a few days driving the check engine light came on and ran the scanner and shows p0430. Car has about 158k miles and never had a check engine light since i bought the car with about 126k miles. What could be the problem?

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