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Hello,
i agree with JFP in PA. First do an electronic diagnosis with a Porsche specific diagnosis tool. I think there will be some hints.
If you get no results (not alternatively to an electronic diagnosis first):
Pull the sparks and look what they look like.
Check the oil filter for plastic debris. Especially plastic parts from chain rails.
Do an oil pressure test with an adapter and a oil pressure gauge like described in the workshop manual.
Questions:
Is your car an MT or an AT?
Do you use a low temp 71 degree water thermostat?
Regards, Markus
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