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Q:

oil in spark plug on 2006 Saab 9-7x

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
problem is oil is getting into one spark plug but no one has a clue from where
(2) Answers
Need to clarify this.
The oil gets to the spark plugs externally, around the porcelain insulator and connection, or gets into the combustion chamber and build up a deposit at the electrodes?

Zee
This is possibly oil leaking from the coil assembly in the Direct Ignition Cassette.