Turbo Whistle sounds weird

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#1
hey guys, so i have a ST180 with downpipe scopion decat, intake ITG, Airtec intercooler, Turbosmart 14Psi wastegate(stock turbo) and the other day the car went in safe mode but i was kinda of expecting that but something happened! The turbo whistle changed somehow, the sound of it, u can ear the stututu real loud and it wasn’t like that, it used to be a wooshhhh all in once! Ever happened to any of u or does somebody know how to fix it?
I already checked all clamps, the diverter valve, the solenoid! I’m losing my mind!!
 


TyphoonFiST

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#2
What BOV or is it stock BPV still?
 


OP
J
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Thread Starter #5
Seems like an issue I had back in 2018.

https://www.fiestastforum.com/threads/turbo-flutter-out-of-the-blue.18629/#post-329614

My issue was a defective waste gate actuator. Got it covered under warranty at the time.
I got mine from All Stars Motorsport, TurboSmart 14psi and it came kinda loose, my mechanic opened it and fixed it! Maybe my problem is coming from there idk! But I saw the link u sent and the kinda stututu is like you said in 2018! The sound is way different than the one supposed to make!
 


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