vacuum line routing

1995 ISUZU TRUCK
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TMOOSE
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Engine Performance problem


Vacuum problem on a 1995 2.3 liter where does the big line on the bottom of the intake manifold go to? its roughly a 1/2" in diameter. Should it go to the intake hose close to throttle body?
Jun 2, 2010 at 6:24 AM
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BLUELIGHTNIN6
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Sounds like it is probably the PCV line.. see the diagram below


https://images.2carpros.com/forum/automotive_pictures/261618_Noname_2303.jpg

There is another diagram attached below let us know what you find
Image (Click to enlarge)
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Jun 2, 2010 at 1:18 PM
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