Two updates, looks like I actually do have the Porsche Enhanced Interface Expansion but the mechanic cleared the fault codes so now I have to wait for the next CEL to determine the issue. I was convinced it was the AOS since the car is smoking but he was unable to get it to.
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Porsche Boxster Fuel Injection Fault Code Reading / Diagnosing Problems - 986 / 987 (1997-08) - Pelican Parts Technical Article