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				New  AOS  same problem
			 
 
			I installed my new porsche direct AOS unit and still have the sucking sound,..if I plug intake and AOS tube  connections, No more sucking sound ,..Can you vacuum test the AOS.. plus all codes still the same aswell..Bummer,..So I guess fuel presure test and  then smoke that babie  I guess.?  right  Thanks  Frank
 Codes: P0300,..,04,05,06 and a P1238  secondary fuel system ??
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