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  1. ItwasVTEC

    VNT turbo flutters when letting off the throttle

    i dont quite understand how the EGR would cause turbo flutter as the EGR entry point is in front of the throttle valve, from my understanding the flutter would be created when the air is trapped between the throttle valve and the turbo ? https://i.imgur.com/GR76iNM.png
  2. ItwasVTEC

    VNT turbo flutters when letting off the throttle

    nope, if you watch the video you can hear that the turbo is under the same load prior to releasing the gas, sometimes insane flutter, sometimes a whooshing sound
  3. ItwasVTEC

    VNT turbo flutters when letting off the throttle

    the thing is, i want to know why it sometimes flutters and sometimes it makes a whooshing sound
  4. ItwasVTEC

    VNT turbo flutters when letting off the throttle

    my air box is standard with a cone filter
  5. ItwasVTEC

    VNT turbo flutters when letting off the throttle

    so i have a 2008 ford focus 1.6 TDCI engine, and for some reason im getting insane turbo flutter, its been happening for a while now and im no closer to figuring out whats causing it, the reason im posting is because sometimes it will flutter like in the video but sometimes it will not flutter...
  6. ItwasVTEC

    Turbo use to flutter but now doesnt

    Hi there, thanks for this, I suspected it had something to do with that as sometimes it wouldn't flutter at all and sometimes it would flutter all the time,
  7. ItwasVTEC

    Turbo use to flutter but now doesnt

    Hi fellas, I have a 2008 ford focus 1.6 TDCI (110), when I use to come off the throttle my turbo use to flutter a lot, and it was quite loud, but all of a sudden my turbo no longer flutters, all I hear is a whooshing sound when I come off the throttle, the car feels fine, no lack or drop in...
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