Root cause was a bad rubber PCV crankcase tube behind the Intake.
$20 for Inake gaskets @ AutoZone, or $40 @ Ford
$40 for a rubber PCV tube from Ford.
One $40 Acme Auto Emissions Filter to help protect my H02 sensors, MAF/IACT sensors, throttle body, and catalytic converters from emission gunk, see
http://www.ideabuyer.com/ipavail/acm...issions-filter , we actually picked up 3 more MPG (Total 26MPG) @ 70MPH on Hwy.