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FA-18C FA-18C is online now
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Join Date: Sep 2001
Location: Chesapeake, VA
Posts: 1,699
If there is no change when you take the oil cap off, I believe you have a vacuum leak somewhere. The hose that runs off the oil filler tube can get cracks, and highly recommend using a mirror and feel for all of the connections to rule that out, if you have not.
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Chris

1988 911 Carrera Targa (driving project started JAN 2022)

1970 911E - Long since gone
1972 911 Targa - gone
1987 911 Carrera - gone
Retired FA-18C Driver
Old 12-21-2023, 07:23 AM
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