Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

BOV problem, HELP!!!!!!!!!!!

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Old Aug 11, 2005 | 11:32 PM
  #1  
explicit_hunni's Avatar
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Exclamation BOV problem, HELP!!!!!!!!!!!

I have a HKS SSQV BOV in my WRX. Today I was driving and all of a sudden, it doesn't make the bird chirp noise. I have checked all the connections, there is nothing loose on it. HELP?????????
Old Aug 12, 2005 | 09:49 PM
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it makes no sound at all? hows it driving?.....u might have a broken SSQV
Old Aug 12, 2005 | 11:17 PM
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dont screw with it

low boost = no chirp
Old Aug 13, 2005 | 02:04 AM
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explicit_hunni's Avatar
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the bov is pretty new...only had it for a month....=(
it makes half a chirp...it used to make this pshhhh (air sound) even at 2500 rpm...but now there's nothing. only half a chirp comes out when i rev it HIGH...
Old Aug 13, 2005 | 11:53 AM
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what do you mean a half a chirp? does it contiuously chirp(like repeatly)? did you mess with BOV adjustment screw? well as for mine(HKS SSQV) at low boost(normal driving) it makes a long pshh noise.... and high boost(high revving and spirited driving) it more like a high pitch chirp whistle noise..... but much shorter then the one at low boost. hopefully this helps.

Originally Posted by explicit_hunni
the bov is pretty new...only had it for a month....=(
it makes half a chirp...it used to make this pshhhh (air sound) even at 2500 rpm...but now there's nothing. only half a chirp comes out when i rev it HIGH...
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