h2chuck
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High pitch whistling noise when accelerating
h2chuck replied to cozby3591's topic in Troubleshooting, Warranty & Recalls
I have 2018 GMC Denali HD with duramax that has the whine on acceleration and when i back off throttle the whine quiets as well .Has there been a resolution or find for this issue .My truck has only 850 miles on it..I have 2 trucks and just use this to pull my boat .When under load and accelerating it sounds like someone is blowing a car horn under the hood. No check engine lights and really no noticeable fuel deviations.Anyone heard of a fix ? Thanks
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