86 Elco, 5.0
rough idle seem like vacuum leak everything else good.
Has two manifold sensors EFE TVS, located on driver side by T-housing and the Purge TVS is on the passenger side of T-housing. Purge TVS is suspect of a vacuum leak. checking it when engine is cold it is open, air flows through, I'm thinking it should be closed when cold. engine stalls when cold unless chocked, idles rough when warm. Anyone have a heads up on the question?
Should the Purge TVS be closed when engine cold? not allowing vacuum
thx
rough idle seem like vacuum leak everything else good.
Has two manifold sensors EFE TVS, located on driver side by T-housing and the Purge TVS is on the passenger side of T-housing. Purge TVS is suspect of a vacuum leak. checking it when engine is cold it is open, air flows through, I'm thinking it should be closed when cold. engine stalls when cold unless chocked, idles rough when warm. Anyone have a heads up on the question?
Should the Purge TVS be closed when engine cold? not allowing vacuum
thx