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P0420 P0430 codes thrown ...

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Old 06-05-2012, 07:24 PM
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P0420 P0430 codes thrown ...
These codes just came up, anyone have issues with these previously? Could the sensors fix the possible cat issue? Any previous experience appreciated. Bank 1 has a new oxygen sensor.
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Old 06-05-2012, 11:08 PM
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i just had that problem p0420 i bought a bottle of seafoam and feed it through a vaccum hose and it cleared it right up
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Old 06-05-2012, 11:29 PM
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How does that relate to the catalytic converter?
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Old 06-06-2012, 10:05 PM
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I cleared codes and they haven't come back.
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Old 06-08-2012, 12:22 AM
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your catalyst system is running below threshold due to it being clogged
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Old 06-14-2012, 02:06 AM
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Yes. The seafoam stuff clean out the cat? Which hose did you end up using? Thanks.
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Old 06-15-2012, 12:03 AM
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the one near bank 1 opposite the throttle body
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