Thread: How to test O2 Sensor?
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Old 05-27-2008, 05:34 PM   #1 (permalink)
SirKeats
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Join Date: May 2008
Location: Southern Oregon
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GeRide - '89 Geo Metro *XFi
90 day: 54.26 mpg (US)
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How to test O2 Sensor?
Is there a way to test to make sure my O2 sensor is working properly... or given that I have no history on my recently purchased 89 metro, should I just assume it needs to be replaced?

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