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Discussion Starter · #1 ·
i have 3 wires at the oxygen sensor white green and balck. which one is the sigal wire


also how often are you supposed to change our sensor. and how much are they
 

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i had four at my O2 sensor, i think the white and black are positive and neg...the green is the one you should splice. If thats not it, just tape it up and try the white one. You shouldn't need to replace your 02 sensor.
 
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