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Open tube on intake of 02 4runner v6

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Old 09-08-2010, 08:06 AM
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Open tube on intake of 02 4runner v6

On the top of the intake manifold there this is a small 1/16" tube that is open.
Following backwards the steel tube goes to a rubber hose 3" long then a steel tube again back into the engine intake?
Any idea what this goes to?
There is engine vacuum when the the engine is running.
I cant find any loose lines nor any other open lines.
Thanks
Old 09-08-2010, 09:47 AM
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pics might help
Old 09-08-2010, 02:31 PM
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Originally Posted by MLiebal
On the top of the intake manifold there this is a small 1/16" tube that is open.
Following backwards the steel tube goes to a rubber hose 3" long then a steel tube again back into the engine intake?
Any idea what this goes to?
There is engine vacuum when the the engine is running.
I cant find any loose lines nor any other open lines.
Thanks
It leads off to the VSV and is supposed to be open. It provides airflow into the EVAP as fumes are pulled off the fuel tank.
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