STR intake manifold problem?
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Honda-Tech Member
Joined: Apr 2002
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From: POWERLINE, CA, 707
STR intake manifold problem?
Will have a STR intake manifold i bought while back form ebay, the color is black... and it makes a noise simmilar to a vacum leak, the postion of this hole is right under the IAC and when i plug it the car starts to run at a very low rpm of 495 or so. So i took it for a drive and came back and noticed there has been a error code loged by the honda logger so i unplug the hole and start the car drove around again it drove just fine, but the hole is no sucking air again...
-should i put a pvc valve there / check valve / filter
-I dont know what it does under boost if there is an vacum leak or not.. the boost gague just stays steady
I know that hole has to stay open in order for the IAC to work properly but i dont understand... there should be no holes that are open on the manifold...
IT DID NOT COME WITH ANY INSTRUTIONS! DAM IT
-should i put a pvc valve there / check valve / filter
-I dont know what it does under boost if there is an vacum leak or not.. the boost gague just stays steady
I know that hole has to stay open in order for the IAC to work properly but i dont understand... there should be no holes that are open on the manifold...
IT DID NOT COME WITH ANY INSTRUTIONS! DAM IT
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From: NYC bitchessss
Re: STR intake manifold problem? (TurboB18C1)
That hole on my manifold (It's a venom, so pretty close) is covered by the throttle body. The stock intake manifold has the hole in the same spot and it goes into the throttle body also. Are you using an aftermarket TB?
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Joined: Apr 2002
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From: POWERLINE, CA, 707
Re: STR intake manifold problem? (m R g S r)
NO i have the stock TB so it does go somewhere , so where does it go.. should i take off my map sensor and but a nipple there and connnect a hose from there to the hole..? 
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Joined: Jan 2004
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From: Tacoma, WA
Re: STR intake manifold problem? (TurboB18C1)
I have the same manifold on my turbo integra. mine is a b18b though. it has the same hole on the bottom. it only opens when the car is cold or if the ac is on. it doesn't open during boost.
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Joined: Jan 2004
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From: Tacoma, WA
Re: STR intake manifold problem? (Jared)
yeah, the hole on the bottom feeds the air into the aic. instead of drawing in air from the throttle body like the stock manifolds, it draws air from the outside. making it sound like a vacuum leak. theres nothing wrong with it. thats just the way they designed it
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