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.


RepairPal Verified
Average mileage: (–)
1 model year affected: 1999
1 person reported this problem
0 people shared problem details
Related Items:
I have a leak which I think is coming out of the top of the gear box which I cannot see...what...
Engine oil leaks can occur at the rear main seal and/or intermediate support cover o-ring; a...
An external fluid leak may develop at the pressure switch; fluid will be evident in the trunk a...

Related Content