The check engine light came on (solid, not flashing) in my 1999 Mazda MX-5 Miata. When I disconnected/reconnected the battery, it did not come back on. Is this something I should be concerned about?

Asked by Kristi May 04, 2015 at 11:46 AM about the 1999 Mazda MX-5 Miata Base

Question type: Maintenance & Repair

1 Answer

30

I get a p0420 code. Some days it says I have a bad egr valve (which I changed) sometimes it says something about bank 1 I have had several other answers to the code

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