Question about 2000 GMC New Sierra 1500
I would check for CAT problem the material inside when is to old comes off en then is a big ball inside the CAT converter and when you start the vehicle the pressure push it agains the back end like trying to come out and when you shut it off release that pressure and then make it fall down on the bottom of you cat converter
Posted on Sep 24, 2009
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Posted on Jan 02, 2017
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