What is your question?
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What is your question?
I removed the Bank 1 & 2 sensor and it was black. Sensor 3 is clean. Twice over the last 6 months I have a foul order. I'm guessing the Cat may be bad, but how can I be sure?

1 Reply
P0430 Toyota - Engine-Codes.com engine-codes.com/p0430_toyota.html copy and paste link.
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