Well, this is embarrassing. In addition to swapping out my VFAD for an RB Ram Duct this past weekend I also poured some Lucas fuel system treatment in my tank. I guess I didn't click the gas cap as many times as it wanted. Thanks to the good folks at the 'zone for ID'g/resettiing the CEL I'm again AOK.

I just knew it couldn't have been related to my vast mechanical skilz.

Now to decide whether to put my VFAD under the knife or not. Or to get the full RB intake. In the meantime I did pick up a K&N flat air filter.