Mazda Miata P Codes (Powertrain) P0400 - P0499

Browse Mazda Miata P Codes (Powertrain) P0400 - P0499 questions and answers. Choose a question that matches your symptoms.

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P0420 Ob2 Code

1999 MAZDA MIATA

I Have Two Problems. First, Will A Bosch Platinum +2 4302 Fit My Engine. Second I Have A P0420 Bank 1 Code. How Can I Narrow It Down Cat...

1 ANSWER

Asked by Catmandoo

1999 MAZDA MIATA

The Catalytic Converter On My 99 Miata With 43k Miles Was Replaced A Month Ago. Last Week, The Check Engine Light Came On And I Pulled The...

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Asked by miataowner37377

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