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1. 

   King Crow Silver Member

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   Jan 8, 2022

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   Arizona

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   Which is weird. If I loosen it the noise goes away and it runs fine ish. But if I really tighten it down that noise I originally posted comes back … it’s odd

    

   King Crow, via an iPhone, Oct 24, 2023

   #21
2. 

   Mtnbker3531 Platinum Member

   Joined:

   Aug 19, 2020

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   Location:

   Chicago

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   +329 / -0

   Your PRV is on the end of the fuel rail sitting right below the HPFP. If it's failing and making noise it will sound like it could be coming from the HPFP.

    

   Mtnbker3531, via a mobile device, Oct 24, 2023

   #22

   • Like x 1

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