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  1. 99-03 7.3 Drivetrain Problems
    I Have a consistent whining noise from 55mph to 60mph. I have noticed it rumbles around 25mph, turns into a whine under acceleration at 45-60mph. Then above 65mph the engine pretty much drones out the sound. it also whines when slowing down (when the injector cackle noise is not present)...
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