2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

WOT hiss

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Old Apr 23, 2022 | 08:31 PM
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Codester291's Avatar
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From: Alberta
WOT hiss

Hey Guys, I have noticed for a little while now that under normal acceleration there is no noise, but when WOT there is like a hiss coming from somewhere. Checked for an exhaust and found nothing. But it's weird how under acceleration when not wot and not using boost there is no noise. But with boost and the supercharger going it makes the hiss.

Any help would be great.
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Old Apr 23, 2022 | 08:34 PM
  #2  
Monieg5gt's Avatar
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Joined: 02-16-20
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From: Nova Scotia
Originally Posted by Codester291
Hey Guys, I have noticed for a little while now that under normal acceleration there is no noise, but when WOT there is like a hiss coming from somewhere. Checked for an exhaust and found nothing. But it's weird how under acceleration when not wot and not using boost there is no noise. But with boost and the supercharger going it makes the hiss.

Any help would be great.
could be a leak somewhere in one of the vac lines
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