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Squealing during Acceleration

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  • BITE_ME
    replied
    You generally only get 4 noises from a EFI system:

    1. Fuel pump noise.
    2. Not using a air silencer device on the throttle body.....need to use factory type air cleaner housing.
    3. Injector clatter......from putting the fuel regulator to far away from them....it acts like a damper.
    4. IAC whistling, or air rushing sound......a piece of carbon flake is in it's chamber, or it's not set-up right.

    ​​​​​

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  • 2700 Cast
    replied
    Remove ( for testing only ) drive belts & see if noise goes away----

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  • CMerchant
    replied
    Originally posted by CorkyE View Post
    Rear tires?
    haha i wish - definitely coming from the engine bay

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  • CorkyE
    replied
    Rear tires?

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  • CMerchant
    started a topic Squealing during Acceleration

    Squealing during Acceleration

    Anyone else get a squealing on moderate/hard acceleration with the PF4 system? happened instantaneously with my PF4 installation (IE wasnt there with the carb) and I even replaced my serpentine belt with only 1K miles on it to test. No change.
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