TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

what is this small hose

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Old Jan 22, 2013 | 08:25 PM
  #1  
salfirebird92's Avatar
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From: Los angeles
Car: 92 Firebird Formula
Engine: 5.0 V8
what is this small hose

What's the purpose of it and what's the correct name for it I broke mines and can't figure it out, thank you in advance.(picture Belongs to Bobbykelly)
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Old Jan 23, 2013 | 08:25 AM
  #2  
Westech's Avatar
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From: Wisconsin & FOB fenty AFG
Car: 1991 Camaro RS
Engine: 305
Transmission: T5
Axle/Gears: 7.6" 3.73 yukon locker
Re: what is this small hose

That goes under the air cleaner to the air temp sensor... it sends a vac signal to the valve to open the valve if the temp drops below 100*F and suck air from the hose from the exhaust manifold. (pre heater hose)
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Old Jan 23, 2013 | 05:53 PM
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ex-x-fire's Avatar
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Re: what is this small hose

Is the plastic part broken? If so then you can patch it w/ a rubber section.
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