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#12: 01-27-2009, 12:11 PM
jtmvt's Avatar
Title: Senior Member
Location: Jericho, VT
Car: 2005 GT Ltd MT, Dominator 2.5R w/ FMIC
Posts: 226
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Originally Posted by GTTuner View Post
Holy crap, you just described what my car was doing to a "T"!

I had my BOV so tight it was stalling my turbo when I let off the gas, so I loosened it up a bit, soft spring and full open under 5" of vacuum. From what I understand an diverter valve is either fully open or fully closed. If U disconnect the valve to keep it shut, and what you described is gone, you may need to replace the diverter valve with a "tuneable" BOV. When I installed my FMIC I was looking into a ProCharger diverter valve but the people at ProCharger did not recomend it for my application.

I would def recomend checking your turbo inlet hose, they are notorious for tearing, then bypassing that diverter and see what happens.

Keep me posted.
Interesting. I never would have thought it could be the diverter valve. I'll look into it and tell you what I determine.