Purge and Seal Test on 09 GMC Yukon with Autel Maxisys Pro MS908P scanner Posted onApril 5, 2019Authorwp-adminLeave a comment Autel Maxisys Pro MS908P diagnostic scanner does a purge and seal test on 2009 GMC Yukon hybrid successfully. Pictures attached: Related posts: How to use Autel MaxiSys Pro MS908P to program Acura TSX 09 key Autel MaxiSys Pro (MS908P) Online Store obd2tool Autel MaxiCOM MK908P vs. MaxiSys Elite vs. MS908P vs. MS908 Autel MaxiCOM MK908P upgraded version of Autel MS908P