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Stuck 02 sensor voltage

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greyspyder117

10+ Year Contributor
373
2
Oct 13, 2008
Bronx, New York
I did a couple logs today at idle and 1st gear pull and my front 02 voltage is 0.4 and will not move up or down no matter what.. Even if i unplug thw o2 sensor it's still the same is the 02 sensor just bad and am getting a refence of 0.4v
 
mine was doing the same thing one of those little black wires down where it hooks to the ecu was busted just a thought....
 
yeah on mine it has this one monster wire that turns into a couple black wires and some wires surrounding them (im guessing to prevent interference)
 
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