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My trouble code is po140 what is the problem - 2000 GMC Jimmy

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Hi,

It refers to ' Rear Heated Oxygen Sensor No Activity '.

You can check the details from the below mentioned :-

http://www.bba-reman.com/content.aspx?content=NEXT_DTC_P0140

Hope i helped you,

Thanks for using ' Fixya ' and have a nice day!!

Posted on Sep 11, 2009

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SOURCE: po140 po160 codes come up replaced 3 of the 4

Do you have a 1, 2 or 4 wire plug?

Posted on Feb 11, 2011

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