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

loud hissing sound

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Old Jun 17, 2004 | 03:33 PM
  #1  
Nebu's Avatar
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From: Germany
Car: 91' Camaro
Engine: Carbed 305
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loud hissing sound

hi,

is it normal, that my injectors are that loud? im also wondering about this hissing sound. i have no vacuum leak. checked everything a couple of times. sprayed around with carb cleaner etc. one time as my engine has warmed up a little the hissing sound has gone away a bit.

heres the video.

nebu]
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Old Jun 17, 2004 | 04:55 PM
  #2  
90_WS6_Formula's Avatar
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Car: 91 Z28
Engine: L98
Transmission: 700R4
yes
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Old Jun 20, 2004 | 01:09 PM
  #3  
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Its pretty neat that we can now share or problems with video along with the fast response that message forums yeild. Cool stuff. Anywhoo, that sounds about normal. It is sorta hard to hear in that video but your car sounded like it was idling just right which would rule out a vacuum leak.
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