I wouldn't associate a bad MAF with desnorkeling. The air filter is still in place and untampered with when desnorkeled.
MAFs are a weak point on early 986 & 996,don't think much of it.
buy it from
www.************************************************************
Don't pay anyone to change it out,it takes 10 minutes and 1 torx bit.
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-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house