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Thread: Still struggeling

  1. #1
    jimmer 22's Avatar
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    Still struggeling

    Right then, im still having what i thought was a leak problem, basically i get a whisteling noise when i hit boost, and a loss of power, sometimes bad enough that it feels like clutch slip, its not all the time but most. The noise really sounds like a boost leak. Iv also got a bit of a flat spot around 2500-3000 rpm when on part throttle, the car generally pulls very well most of the time, there is also turbo lag after gear changes even if giving it a fair boot full.

    So far i have replaced

    Maf (genuine new bosch)
    Recirc valve (new 007p)
    Puc valve (new)
    N249 bypass
    Pcv delete
    Tryed another n75
    Done a smoke test (no leaks atall apart from the puc valve hense replacement)
    Scanned for codes (no codes)
    Tested actuator (holding pressure and snapping shut nicely)

    Im running out of options, lol.
    I done a 3rd gear wot with my vcds light and got 186 g/s (232.5 bhp) so i am achieving good boost.

    After changing the n75 the syptoms did change slightly but generally the same, (less lag after gear change, louder whisteling, flat spot reduced)

    The car is a 2002 bam s3 with 100,000 on the clock ( completely standard apart from the couple of minor mods above)

    One evening this week i will be fitting a boost gauge and doing some logging with full vcds and hopfully this will shed some light on the situation

    Pls pls can someone offer any other advice, this is starting to get expensive and extremely annoying,

    All help appreciated,

    Cheers people
    Last edited by <tuffty/>; 1st September 2013 at 20:34. Reason: Stop writing in caps... edit your post in future please...

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  3. #2
    s3dave's Avatar
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    I would throw some new plugs in...

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    JUS3IN's Avatar
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    when my relentless manifold came undone there was a loud whistling, maybe one of the manifold gaskets has blown?
    1999 apy s3, n249 delete, sai and n112 delete. bbs lm reps, s2000 filter, relentless v3 manifold, relentless downpipe and sports cat, scorpion cat back system, badger 5 v3 tip, bam rocker cover, push in coilpacks, toyosports fmic, amd remapped to 280.3 bhp and 263.9 lb/ft.

  5. #4
    jojo's Avatar
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    Don't know about the whistling, but I'm going deaf from the shouting!
    <tuffty/> likes this.



    99' Audi S3(APY) - Brilliant Black Click>>>Going Sideways vid!
    You've got to have a laugh! For Sale:LCR Brakes - £400



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    cheers guys will check both of these,

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    Quote Originally Posted by jojo View Post
    Don't know about the whistling, but I'm going deaf from the shouting!
    this made me laugh...
    JUS3IN likes this.

  8. #7
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    Quote Originally Posted by justarn View Post
    when my relentless manifold came undone there was a loud whistling, maybe one of the manifold gaskets has blown?
    Been trying to find a really loud whistle (on idle) coming from my car for the past couple of weeks. Gasket didn't even come across my mind Even though it is painfully obvious now :@
    2001 1.8T Quattro Sport 89k covered ARY engine.
    Remapped at Badger 5, 213bhp - 235lb/ft torque.
    HS2K cone, FMDV008, Silicon TIP, 18" RS4 (reps), AP coilovers, Catch can, n249 bypass, Toyosport 3" Downpipe/Decat, S3 Front brakes, Polyflexed Dogbone, S3dave adjustable tie bars

    Soon to be done: SAI delete, Install the toyosport FMIC i have kicking about in my living room

 

 

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