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- - Bad O2 symptoms? (https://www.miataturbo.net/general-miata-chat-9/bad-o2-symptoms-18028/)

levnubhin

03-07-2008 06:42 PM

Bad O2 symptoms?

How can I tell my O2 sensor is bad?
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xveganxcowboyx

03-07-2008 08:11 PM

You can usually test the hot wire with a volt meter while the car is idling and warm (sensor needs a couple minutes to properly warm up). The voltage should cycle up and down quickly.

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