2018 A4 B9, 80k miles. Lately I'm getting this rough idle, feels like it's skipping, and a couple of times it almost stalled when I had to stop fast. I've got an exhaust so it's more noticeable, and I know my motor mounts are shot which doesn't help. Plugs and coilpacks are only 10-15k old, so I'm leaning towards PCV or camshaft position sensor. Anyone else had this and found the culprit? I've heard a dirty throttle body can do it too.
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