Barney Posted August 17, 2007 Report Share Posted August 17, 2007 Hey guys. My SES keeps poping on and the Onstar diagnosis keeps telling me the vapor emission sensor on the gas tank is faulty. It has been a constant problem for about a year. I am going to trash it and put a new one in. I need the part number so I can order it on GMpartsDirect. Anyone know it? Thanks, Barney Quote Link to comment Share on other sites More sharing options...
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