Originally Posted by L27Buick
yeah i made mine look like mos95b'*. it make a growl when i give it gas but when its ideling is make a hissss like it sucking in air like crazy.
If the hiss is horrible bad you may need to remove the throttle body and do a full throttle body cleaning... Mine hissed like crazy untill I pulled the TB and removed the IAC so that I could clean the IAC passages as well.... Now it doesn't hiss half as bad.... Here is a pic of what the back side of the throttle body looked like when I pulled it..
If you look at this last pic, Just above the throttle plate where you see the channel, in the upper part of the channel resides the Idle Air Controler... Hope that helps... I'll come up and take care of it for you, after I buy some ratchet wrenches...lol
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