P0420, and P1000 engine codes

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09-24-2009 | 01:22 PM

nthegrip

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Joined: Sep 2009

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P0420, and P1000 engine codes

What does this mean and should it be fixed right away? How much to fix?

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09-24-2009 | 02:16 PM

BuckMR2

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Joined: Oct 2006

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From: UK

P1000 isnt anything to worry about...it just means you started the car before the self diagnoses was complete when the key is turned to the acc position
P0420 is a heated oxygen sensor on bank 1 or its wiring

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