I doubt it is.. my maf looked new honestly, I think it has likely been replaced in recent history. The wire was shiny and clean
But I can't imagine that a fair amount of oil being sucked into the combustion chamber wouldn't cause issues with spark / ignition of gas. My guess (hope) is that once I replace the AOS and burn off any residual oil that everything will return to normal.
Looking back at my symptoms it makes sense. The car ran well enough if i stayed off the throttle. In staying off the throttle I was likely keeping pressure lower so less oil was making it through the broken diaphragm in the AOS. I was also not pulling nearly as much air and with much less force through the intake which would take the oil with it.
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