On Board diagnostics code P0430 - Hummer Forums by Elcova

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On Board diagnostics code P0430

10-10-2007, 06:37 PM

HumminNBoatin' HumminNBoatin' is offline

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Re: On Board diagnostics code P0430

My dealer told me that all GM vehicles have a 80K warranty on Cats. They are required to have it. I am looking at my service records. Looks like the code i threw was P0420: Low Efficiency Bank1.

Tech notes: replaced left side cat. Convertor

This was done at 54K miles. total work billed to $570.

Customer Cost: $0

I do not have an extended warranty.

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