Question about 2000 Toyota Camry

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I have a diagnostic code of 0420 for my 2000 Toyota Camry. From what I understand, this is an oxygen sensor. I also understand that there are a few oxygen sensors on this moded. Can you tell me if it is an upstream or downstream oxygen sensor or it is something completely different?

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  • bluedolph958 Mar 02, 2009

    Thank you for the feedback. Will I need to take that to a shop that has special machines or can my regular mechanic do it. My regular mechanic is really good at what he does and HONEST to a fault, but doesn't have the computerized machines. What is your recommendation.

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This is a oxygen sensor code but getting bad reading from catilytic convertor. Have the cat checked

Posted on Jan 31, 2009

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