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Old 05-25-2009, 07:26 PM   #12 (permalink)
theunchosen
Master EcoModder
 
Join Date: Nov 2008
Location: Cookeville, TN
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Yes if you hook up a voltmeter to your O2 it will display something other than .45 volts if its running lean. I think it will read as a higher voltage if its lean? I can't recall. . .

I usually just shove a diagnostic unit into the ECU and let it tell me ^_^
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