[s-cars] New noise and less power :- ( - turbo chatter?

[chris chambers]

I'm going to re-check everything tonight, but when I rev the throttle
by hand I don't hear anything. Time to make a leak tester, where is the
parts list for the home depot version?

Tx
Chris


--- Russ Panneton <russ at panneton.name> wrote:

---------------------------------
    There are still the small hoses directly beneath the center of
theintake manifold and between the turbo and the cam cover...  

R.

chris chambers wrote:
  
Russ,I neglected to note that I have Samco turbo hoses and checked for
leaksand didn't find any.ThanksChris--- Russ Panneton
<russ at panneton.name> wrote:  
      
Chris,The first thing to ALWAYS check for is a torn hose creating a big
airleak.  I can imagine that making the reed like noise you're hearing.
A bad BPV can result in a loss of boost but that failure keeps the air
intake system sealed.Good luck,Russchris chambers wrote:    
          
Fellow S gurusIt has seemed like I have had less power lately, and this
suspicion      
        
was    
          
confirmed when I drove my wife's S4.Also when I have a window or my
sunroof open there is a noise thatsounds like wind blowing over a reed
(does that make sense) and is      
        
most    
          
noticeable from 3500 rpm to 4500 rpm.I checked for codes and am getting
2231, which according tosjmautotechnik.com is : "2231 (Blink Fault
Code), VAG1551/2 Fault      
        
Code    
          
Number 00533 Idle Speed Control, Idle speed adaptation limit      
        
exceeded,    
          
Sticky ISV, air leak."Could this be the BPV failing/failed? Is it time
for a new      
        
06A145710NI    
          
valve? I also read something earlier about turbo chatter, what doesthat
sound like?input please, the Audi gods are not smiling right now.Thanks
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