Skylark V6-173 2.8L VIN X 2-bbl (1984)
Distributor Thermal Vacuum Switch: Description and Operation
Dist. Spark/Canister Purge Thermal Vacuum Switch (DS-CP-TVS)
The two upper ports and the two lower ports of this valve are sealed when cold and connected to each other when warm. The two upper ports are not
connected to the two lower ports.
