911 Carrera Targa F6-3164cc 3.2L (1985)
Deceleration Valve: Description and Operation
This device opens the throttle slightly according to intake manifold vacuum to prevent an increase in hydrocarbon emissions during deceleration.
Deceleration Valve: Description and Operation
This device opens the throttle slightly according to intake manifold vacuum to prevent an increase in hydrocarbon emissions during deceleration.