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lack of boost /low boost

  #1  
Old 03-10-2005, 02:25 AM
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Join Date: Mar 2005
Posts: 4
Default lack of boost /low boost

hi my name is steve i drive a 1995 850 t5r wgn was running around 15psi and would spike to around 18psi i receently notice a decrease in boost (after market boost gauge) cleaned out my intercooler(degrease) i was wondering would a clogged cat converter cause the turbo not to spool fully any suggestions.
 
  #2  
Old 03-10-2005, 10:31 AM
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Location: Orlando, Florida
Posts: 36,351
Default RE: lack of boost /low boost

Check all the turbo hoses and the Vaccum line to the Waste gate valve.If everything is good the waste gate valve might be bad.
 
  #3  
Old 03-10-2005, 01:18 PM
Join Date: Jan 2005
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Posts: 55
Default RE: lack of boost /low boost

When my buddy's A4 turbo started losing boost we replaced all his vacuum lines and hoses. It fixed the problem immediately. As for my Subaru 2.0L turbo, I found that my throttle linkage was not allowing full throttle, therefore, it never spooled up all the way. I had a special bracket welded in the help support the cable...now I have 15.6 lbs of boost as compared to the stock 8 lbs!








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