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Thanks. I checked the MAF for obvious dirt etc. but it was clean, I unplugged it and forced standard values for a short drive. No difference.
The idle is perfectly smooth, *much* smoother than on my 997.
I checked the throttle body, it's a bit oily but otherwise clean, the AOS was replaced short time ago.
I will adress vacuum lines shortly. But these brown bits and pieces in the oil filter point to a degradation of the guides. That's why I think I should work on that as well.
Maybe it's time for a Sprint Booster ;-)
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