Check Engine Light Due to Internal Vacuum Leak at Oil Seperator on Porsche 911

Various fuel trim and oxygen sensor limit fault codes can be traced to an internal vacuum leak at the oil separator.

 

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Average mileage: (–)
12 model years affected: 1999, 2000, 2001, 2002, more2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
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