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  1. G

    LOUD hum/growl at 1400 RPM @ light throttle

    Purchased a 2019 1500 Big Horn 4x4 with the 5.7 hemi last week, 38k miles, bone stock. No issues initially, but it has developed a SUPER LOUD hum at 1400 RPM under light throttle. Like it doesn't happen during acceleration, but as soon as I back off it at my desired speed it is very pronounced...
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