Various Faults Due to Intenal Leak at the Oil Seperator on Porsche 911

Smoke, oil consumption, and fuel trim issues with various fault codes can be traced to an internal leak at the oil separator.

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Average mileage: 88,000 (75,000–105,000)
Engine affected: 3.4L 6 Cylinder
12 model years affected: 1999, 2000, 2001, 2002, more2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
17 people reported this problem
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problem details
2003 Porsche 911 80,000 mi,
dealer replaced separator; cost more than $2k
2004 Porsche 911 75,000 mi,
Coolant loss
2003 Porsche 911 92,000 mi,
white smoke in the rear right at start up. The white smoke is only for 2-4 minutes at engine start.
2002 Porsche 911 105,000 mi,
Occasional inconsistent throttle response and idle. Weeping seen on and around the separator. Replaced the part, about 7 hours in shop labor.