Question about 2002 Buick Century

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Trouble code P0140 0/2 2002 buick certury v6 3.1L What needs to be fixed

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  • grmmyantju May 13, 2010

    I was told P0140 0/2 sensor ckt inactive Bank 1 Sensor 2

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No actitivaty at the O/2 senser. It can be it's just unplugged the wire is bad a fuse is blown and or the senser is bad. their are more than one senser so check them all

Posted on May 13, 2010

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