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Old 04-01-2022   #8
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,666
Default Re: High pitch noise

Quote:
Originally Posted by stuntmanmike View Post
Hi guys, I?m experiencing a constant squealing noise. Does not change much with engine RPM. When you shut the motor off it continues for a couple of seconds then sort of tapers down in frequency, like a bottle rocket sound.
Do I need to pull the whole Plenum off to get access to the injector housing that may be the culprit? Thanks
Yes.
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