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Old 04-20-2012, 04:25 PM   #14
OldNuc
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Join Date: Apr 2008
Location: Far Southwestern Iowa
Posts: 64,855
 

1998 SC2
Default Re: Engine lean bank 1 o2 sensor code

Pull the plugs and if they look like you are running rich then your problem is an exhaust leak as the leak causes the O2 sensor to think you are way lean and it dumps in gas like mad.

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