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A Porsche diagnostic computer or a Durametric cable can check the cam deviation values.
A dealer would have the computer; independent shops and local Porsche people may have a Durametric cable in your area.
The risk here is whether you should run your engine or not. Did you get a CEL after the problem started? If not, that's a hopeful sign. If you did, was it flashing. If it was flashing, shut the car down immediately and tow it somewhere for further diagnostics.
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