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buzzing sound on cascadia

Discussion in 'Ask An Owner Operator' started by slicedbread, Oct 16, 2023.

  1. Oct 16, 2023 #1
    slicedbread

    slicedbread Bobtail Member

    4
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    Jun 15, 2023
    0
    anyone familiar with what a failing fuel pump sounds like from inside the cab? I have a truck that starts buzzing when i hit the accelerator, and maintains the buzz. it goes away when the truck is coasting or when its idling, but soon as i hit the gas it starts again. almost sounds like a bee in a box, its driving me insane. no noticable drop in fuel mieage but im thinking its the fuel pump. any ideas?
     
    slicedbread, Oct 16, 2023
    slicedbread, Oct 16, 2023
    #1
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  3. Oct 16, 2023 #2
    062

    062 Road Train Member

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    Oct 20, 2013
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    Might be a boost or exhaust leak.
     
    062, Oct 16, 2023
    062, Oct 16, 2023
    #2
  4. Oct 16, 2023 #3
    Ridgeline

    Ridgeline Road Train Member

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    Dec 18, 2011
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    may be a lost sound-deading pad in the dash. one of the crap cascadia trucks I had before I got a hold of it had service work done to the A/C and they took the pads out so the thing buzzes and speaks.
     
    Ridgeline, Oct 16, 2023
    Ridgeline, Oct 16, 2023
    #3
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