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  1. Humming at 55MPH

    Honda Accord PHEV Hybrid Discussion
    Almost without fail, whenever my 2018 Accord Hybrid hits 55MPH (not above or below - right at 55) there is a loud humming. A slight vibration or droning noise if you will. I have seen reference to noise canceling issues or this happing at lower speeds or it goes away after the car warms up. For...
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