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2017 Porsche 911 — vibration under acceleration but not while coasting

RotorPilot570Community StarterMay 1, 20262017 Porsche 911 Carrera SDetroit
2017 Porsche 911 Carrera S, about 113,500 miles. The car is smooth at the same road speed when I lift off, but under moderate acceleration I can feel a vibration through the floor. What would you inspect first to separate axle/driveline issues from an engine mount?
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BoostMechanicish509Community StarterCommunity StarterMay 1, 2026permalink
Intermittent stuff lies if you only catch it once. Move a coil or plug on the 2017 Porsche 911 if it's cylinder-specific and see whether the code follows. That's the branch I'd chase this week. On “vibration under acceleration but not while coasting,” that was the fork that mattered for me. This is from a 2017 Porsche 911 in Detroit with 113,500 miles. If you share a photo of the worksheet, easier to sanity-check. Climate here is different, so treat that as a local data point. I'd rather pay for diagnosis than a second guess-repair.
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