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car jerks and flutters any help

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Old Jul 15, 2008 | 07:11 PM
  #1  
sndc5's Avatar
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From: socal
car jerks and flutters any help

here are the current mods to the car:

Koyo Radiator
Invidia Downpipe
Invidia Testpipe
HKS Intercooler piping
HKS Blow off Valve
Buschur Air Filter
Buschur MAF Air Pipe
Buschur Mini Battery

for some reason when i am in boost and i let off gas slowly, the car flutters and jerks. however, if i let off quick then nothing happens. im not sure what is causing this and any help would be greatly appreciated. could it be the bov not holding boost?

Last edited by sndc5; Oct 9, 2008 at 11:59 AM.
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Old Jul 15, 2008 | 07:15 PM
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Sounds like compressor surge my friend. Likely due to that BOV
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Old Jul 15, 2008 | 07:17 PM
  #3  
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From: Near the hOle
Originally Posted by gsrboi80
Sounds like compressor surge my friend. Likely due to that BOV
Thats my take on it too. Did you recently change the BOV?
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Old Jul 15, 2008 | 07:22 PM
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From: Mass
yup. my car has always done that. it depends on what bov u r running and how you have it hooked up. what i do is just let off quick so it blows off then slightly get back on it. don't let it keep surging like that.
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Old Jul 15, 2008 | 07:23 PM
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its ur ricer sqeaky pete BOV...
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Old Jul 15, 2008 | 08:24 PM
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From: The Stream Of Carol , IL
Originally Posted by gsrboi80
Sounds like compressor surge my friend. Likely due to that BOV
Is your BOV re routed back to the inake pipe???

HKS is not EVO friendly get yourself an MR diverter valve.
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Old Jul 15, 2008 | 09:25 PM
  #7  
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From: Los Angeles
Its that damn HKS BOV. I had that thing for a month a got rid of it. Once I went back to the stock one the car ran a million times better.
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Old Jul 15, 2008 | 10:08 PM
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From: socal
yeah i will get rid of it, i got the car like it. yes the bov recirculates back into the intake. thanks for the quick responses nice forum

Last edited by sndc5; Jul 16, 2008 at 01:31 AM.
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