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is my o2 sensor bad

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4g63tsiawd

15+ Year Contributor
310
3
Jan 16, 2004
columbus, Ohio
I just got my data logger today put it in ran a log at idle the o2 sensor stayed at 0.02 and wouldn't change and the low fuel trim stayed at 86% and wouldn't move no matter where I adj. the s afc too. Any suggestions
 
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more than likely if its holding steady. take it on the road and if your 02's aren't bouncing up and down then they're definitely bad.
 
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