[s-cars] New noise and less power :- ( - turbo chatter?
russ at panneton.name
Mon Jul 19 13:03:22 EDT 2004
The first thing to ALWAYS check for is a torn hose creating a big air
leak. 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.
chris chambers wrote:
>Fellow S gurus
>It 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 that
>sounds 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 to
>sjmautotechnik.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 does
>that sound like?
>input please, the Audi gods are not smiling right now.
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