Looks like the Hose from the PCV to Evap Emission Valve.
It should be connected to a corrigated plastic hose that runs from the PCV to the Evap valve.
Mine was replaced with rubber fuel hose. Getting to the Evap valve is a PITA, it's behind the coil on the firewall.


1996 2.5LT V6 Contour ATX My Tour+help/info pics E0 rims, Gutted Pre-Cats,CTA Custom Exhaust & Intake, Diablo Chip.