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emmission hoses

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Old Feb 2, 2003 | 11:34 PM
  #1  
aussierob's Avatar
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From: Australia
emmission hoses

Can anyone help. Ive got a 86 TA 305 carby. On the emmision hose diagram there is only one VAC sensor shown connected to the "n" point on carby but i have 2 VAC sensors. One on the US drivers side connected and the one on the passengers side is electricaly connected but the hose is missing. Where does it go to.
Also the EGR Vac diaphram connects to a vacuum switch which goes to the "j" port on carby but the vac. switch also has an outlet for another hose, where does that go.
Please HELP
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Old Feb 3, 2003 | 12:06 PM
  #2  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The one on the (US) passenger side does not connect to any vacuum source. It is a barometric pressure sensor, and should be open to the atmosphere. It is identical to the manifold absolute pressure sensor (which has a hose connecting it to the intake manifold), except it probably had a piece of open cell foam rubber over the sense port for a filter at one time.
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