Bad O2 symptoms?

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03-07-2008, 06:42 PM

levnubhin

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Bad O2 symptoms?

How can I tell my O2 sensor is bad?
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03-07-2008, 08:11 PM

xveganxcowboyx

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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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